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An album is a collection of audio recordings issued on
compact disc The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in O ...
(CD),
vinyl Vinyl may refer to: Chemistry * Polyvinyl chloride (PVC), a particular vinyl polymer * Vinyl cation, a type of carbocation * Vinyl group, a broad class of organic molecules in chemistry * Vinyl polymer, a group of polymers derived from vinyl ...
,
audio tape An audio tape recorder, also known as a tape deck, tape player or tape machine or simply a tape recorder, is a sound recording and reproduction device that records and plays back sounds usually using magnetic tape for storage. In its present ...
, or another medium such as
digital distribution Digital distribution, also referred to as content delivery, online distribution, or electronic software distribution, among others, is the delivery or distribution of digital media content such as audio, video, e-books, video games, and other s ...
. Albums of recorded sound were developed in the early 20th century as individual
78 rpm records A phonograph record (also known as a gramophone record, especially in British English), or simply a record, is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near ...
collected in a bound book resembling a photograph album; this format evolved after 1948 into single vinyl long-playing (LP) records played at   rpm. The album was the dominant form of recorded music expression and consumption from the mid-1960s to the early 21st century, a period known as the
album era The album era was a period in English-language popular music from the mid-1960s to the mid-2000s in which the album was the dominant form of recorded music expression and consumption. It was primarily driven by three successive music recording ...
. Vinyl LPs are still issued, though
album sales Record sales or music sales are activities related to selling music recordings (albums, singles, or music videos) through physical record shops or digital music store. Record sales reached the peak in 1999, when 600 million people spent an aver ...
in the 21st-century have mostly focused on CD and
MP3 MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany, with support from other digital scientists in the United States and elsewhere. Origin ...
formats. The
8-track tape The 8-track tape (formally Stereo 8; commonly called eight-track cartridge, eight-track tape, and eight-track) is a magnetic tape sound recording technology that was popular from the mid-1960s to the early 1980s, when the compact cassette, wh ...
was the first tape format widely used alongside vinyl from 1965 until being phased out by 1983 and was gradually supplanted by the
cassette tape The Compact Cassette or Musicassette (MC), also commonly called the tape cassette, cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Ott ...
during the 1970s and early 1980s; the popularity of the cassette reached its peak during the late 1980s, sharply declined during the 1990s and had largely disappeared during the first decade of the 2000s. Most albums are recorded in a
studio A studio is an artist or worker's workroom. This can be for the purpose of acting, architecture, painting, pottery (ceramics), sculpture, origami, woodworking, scrapbooking, photography, graphic design, filmmaking, animation, industrial design ...
, although they may also be recorded in a concert venue, at home, in the field, or a mix of places. The time frame for completely recording an album varies between a few hours to several years. This process usually requires several takes with different parts recorded separately, and then brought or " mixed" together. Recordings that are done in one take without
overdubbing Overdubbing (also known as layering) is a technique used in audio recording in which audio tracks that have been pre-recorded are then played back and monitored, while simultaneously recording new, doubled, or augmented tracks onto one or more av ...
are termed "live", even when done in a studio. Studios are built to absorb sound, eliminating
reverberation Reverberation (also known as reverb), in acoustics, is a persistence of sound, after a sound is produced. Reverberation is created when a sound or signal is reflected causing numerous reflections to build up and then decay as the sound is abso ...
, to assist in mixing different takes; other locations, such as concert venues and some "live rooms", have reverberation, which creates a "live" sound. Recordings, including live, may contain editing, sound effects, voice adjustments, etc. With modern recording technology, artists can be recorded in separate rooms or at separate times while listening to the other parts using
headphones Headphones are a pair of small loudspeaker drivers worn on or around the head over a user's ears. They are electroacoustic transducers, which convert an electrical signal to a corresponding sound. Headphones let a single user listen to an a ...
; with each part recorded as a separate track.
Album cover An album cover (also referred to as album art) is the front packaging art of a commercially released studio album or other audio recordings. The term can refer to either the printed paperboard covers typically used to package sets of and 78-r ...
s and
liner notes Liner notes (also sleeve notes or album notes) are the writings found on the sleeves of LP record albums and in booklets that come inserted into the compact disc jewel case or the equivalent packaging for cassettes. Origin Liner notes are des ...
are used, and sometimes additional information is provided, such as analysis of the recording, and
lyrics Lyrics are words that make up a song, usually consisting of verses and choruses. The writer of lyrics is a lyricist. The words to an extended musical composition such as an opera are, however, usually known as a " libretto" and their writer, ...
or
libretto A libretto (Italian for "booklet") is the text used in, or intended for, an extended musical work such as an opera, operetta, masque, oratorio, cantata or musical. The term ''libretto'' is also sometimes used to refer to the text of major li ...
s. Historically, the term "album" was applied to a collection of various items housed in a
book A book is a medium for recording information in the form of writing or images, typically composed of many pages (made of papyrus, parchment, vellum, or paper) bound together and protected by a cover. The technical term for this physical ...
format. In musical usage, the word was used for collections of short pieces of
printed music Sheet music is a handwritten or printed form of musical notation that uses List of musical symbols, musical symbols to indicate the pitches, rhythms, or chord (music), chords of a song or instrumental Musical composition, musical piece. Like ...
from the early nineteenth century. Later, collections of related 78 rpm records were bundled in book-like albumsCross, Alan (15 July 2012
Life After the Album Is Going to Get Weird
. alancross.ca
(one side of a 78 rpm record could hold only about 3.5 minutes of sound). When LP records were introduced, a collection of pieces or songs on a single record was called an "album"; the word was extended to other recording media such as compact disc,
MiniDisc MiniDisc (MD) is an erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, and later, 80 minutes of digitized audio. Sony announced the MiniDisc in September 1992 and released it in November of that year fo ...
, compact audio cassette, 8-track tape and digital albums as they were introduced.


History

An ''
album An album is a collection of audio recordings issued on compact disc (CD), vinyl, audio tape, or another medium such as digital distribution. Albums of recorded sound were developed in the early 20th century as individual 78 rpm records c ...
'' (Latin ''albus'', white), in ancient Rome, was a board chalked or painted white, on which decrees, edicts, and other public notices were inscribed in black. It was from this that in medieval and modern times, album came to denote a book of blank pages in which verses, autographs, sketches, photographs and the like are collected. This in turn led to the modern meaning of an album as a collection of audio recordings issued as a single item. In the early nineteenth century, "album" was occasionally used in the titles of some classical music sets, such as
Robert Schumann Robert Schumann (; 8 June 181029 July 1856) was a German composer, pianist, and influential music critic. He is widely regarded as one of the greatest composers of the Romantic era. Schumann left the study of law, intending to pursue a career a ...
's '' Album for the Young'' Opus 68, a set of 43 short pieces. With the advent of
78 rpm records A phonograph record (also known as a gramophone record, especially in British English), or simply a record, is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts near ...
in the early 1900s, the typical 10-inch disc could only hold about three minutes of sound per side, so almost all popular recordings were limited to around three minutes in length. Classical-music and spoken-word items generally were released on the longer 12-inch 78s, playing around 4–5 minutes per side. For example, in 1924,
George Gershwin George Gershwin (; born Jacob Gershwine; September 26, 1898 – July 11, 1937) was an American composer and pianist whose compositions spanned popular, jazz and classical genres. Among his best-known works are the orchestral compositions ' ...
recorded a drastically shortened version of his new seventeen-minute composition ''
Rhapsody in Blue ''Rhapsody in Blue'' is a 1924 musical composition written by George Gershwin for solo piano and jazz band, which combines elements of classical music with jazz-influenced effects. Commissioned by bandleader Paul Whiteman, the work premiered i ...
'' with
Paul Whiteman Paul Samuel Whiteman (March 28, 1890 – December 29, 1967) was an American bandleader, composer, orchestral director, and violinist. As the leader of one of the most popular dance bands in the United States during the 1920s and early 1930s, W ...
and His Orchestra. The recording was issued on both sides of a single record, Victor 55225 and ran for 8m 59s. By 1910, though some European record companies had issued albums of complete operas and other works, the practice of issuing albums was not widely taken up by American record companies until the 1920s. By about 1910, bound collections of empty sleeves with a
paperboard Paperboard is a thick paper-based material. While there is no rigid differentiation between paper and paperboard, paperboard is generally thicker (usually over 0.30 mm, 0.012 in, or 12 points) than paper and has certain superior attributes ...
or
leather Leather is a strong, flexible and durable material obtained from the tanning, or chemical treatment, of animal skins and hides to prevent decay. The most common leathers come from cattle, sheep, goats, equine animals, buffalo, pigs and hog ...
cover, similar to a photograph album, were sold as record albums that customers could use to store their records (the term "record album" was printed on some covers). These albums came in both 10-inch and 12-inch sizes. The covers of these bound books were wider and taller than the records inside, allowing the record album to be placed on a shelf upright, like a book, suspending the fragile records above the shelf and protecting them. In the 1930s, record companies began issuing collections of 78 rpm records by one performer or of one type of music in specially assembled albums, typically with artwork on the front cover and liner notes on the back or inside cover. Most albums included three or four records, with two sides each, making six or eight compositions per album. The 10-inch and 12-inch
LP record The LP (from "long playing" or "long play") is an analog sound storage medium, a phonograph record format characterized by: a speed of   rpm; a 12- or 10-inch (30- or 25-cm) diameter; use of the "microgroove" groove specification; an ...
(long play), or   rpm microgroove
vinyl Vinyl may refer to: Chemistry * Polyvinyl chloride (PVC), a particular vinyl polymer * Vinyl cation, a type of carbocation * Vinyl group, a broad class of organic molecules in chemistry * Vinyl polymer, a group of polymers derived from vinyl ...
record, is a
gramophone record A phonograph record (also known as a gramophone record, especially in British English), or simply a record, is an analog sound storage medium in the form of a flat disc with an inscribed, modulated spiral groove. The groove usually starts ne ...
format introduced by
Columbia Records Columbia Records is an American record label owned by Sony Music Entertainment, a subsidiary of Sony Corporation of America, the North American division of Japanese conglomerate Sony. It was founded on January 15, 1889, evolving from the A ...
in 1948. A single LP record often had the same or similar number of tunes as a typical album of 78s, and it was adopted by the record industry as a standard format for the "album". Apart from relatively minor refinements and the important later addition of
stereophonic Stereophonic sound, or more commonly stereo, is a method of sound reproduction that recreates a multi-directional, 3-dimensional audible perspective. This is usually achieved by using two independent audio channels through a configuration ...
sound capability, it has remained the standard format for vinyl albums. The term "album" was extended to other recording media such as
8-track tape The 8-track tape (formally Stereo 8; commonly called eight-track cartridge, eight-track tape, and eight-track) is a magnetic tape sound recording technology that was popular from the mid-1960s to the early 1980s, when the compact cassette, wh ...
,
audio cassette The Compact Cassette or Musicassette (MC), also commonly called the tape cassette, cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Otte ...
,
compact disc The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in O ...
,
MiniDisc MiniDisc (MD) is an erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, and later, 80 minutes of digitized audio. Sony announced the MiniDisc in September 1992 and released it in November of that year fo ...
, and digital albums, as they were introduced. As part of a trend of shifting sales in the
music industry The music industry consists of the individuals and organizations that earn money by writing songs and musical compositions, creating and selling recorded music and sheet music, presenting concerts, as well as the organizations that aid, train, ...
, some observers feel that the early 21st century experienced the death of the album.


Length

An album may contain any number of tracks. In the United States,
The Recording Academy The Recording Academy (formally the National Academy of Recording Arts and Sciences; abbreviated NARAS) is an American learned academy of musicians, producers, recording engineers, and other musical professionals. It is famous for its Grammy A ...
's rules for
Grammy Award The Grammy Awards (stylized as GRAMMY), or simply known as the Grammys, are awards presented by the Recording Academy of the United States to recognize "outstanding" achievements in the music industry. They are regarded by many as the most pr ...
s state that an album must comprise a minimum total playing time of 15 minutes with at least five distinct tracks or a minimum total playing time of 30 minutes with no minimum track requirement. In the United Kingdom, the criteria for the
UK Albums Chart The Official Albums Chart is a list of albums ranked by physical and digital sales and (from March 2015) audio streaming in the United Kingdom. It was published for the first time on 22 July 1956 and is compiled every week by the Official Charts ...
is that a recording counts as an "album" if it either has more than four tracks or lasts more than 25 minutes. Sometimes shorter albums are referred to as
mini-album A mini-LP or mini-album is a short vinyl record album or LP, usually retailing at a lower price than an album that would be considered full-length. It is distinct from an EP due to containing more tracks and a slightly longer running length. A ...
s or EPs. Albums such as ''
Tubular Bells Tubular bells (also known as chimes) are musical instruments in the percussion family. Their sound resembles that of church bells, carillon, or a bell tower; the original tubular bells were made to duplicate the sound of church bells within a ...
'', '' Amarok'', and '' Hergest Ridge'' by
Mike Oldfield Mike may refer to: Animals * Mike (cat), cat and guardian of the British Museum * Mike the Headless Chicken, chicken that lived for 18 months after his head had been cut off * Mike (chimpanzee), a chimpanzee featured in several books and document ...
, and
Yes Yes or YES may refer to: * An affirmative particle in the English language; see yes and no Education * YES Prep Public Schools, Houston, Texas, US * YES (Your Extraordinary Saturday), a learning program from the Minnesota Institute for Talent ...
' ''
Close to the Edge ''Close to the Edge'' is the fifth studio album by English progressive rock band Yes. It was released on 13 September 1972 by Atlantic Records, and is their last album of the 1970s to feature their original drummer Bill Bruford. After scoring ...
'', include fewer than four tracks, but still surpass the 25-minute mark. The album '' Dopesmoker'' by
Sleep Sleep is a sedentary state of mind and body. It is characterized by altered consciousness, relatively inhibited Perception, sensory activity, reduced muscle activity and reduced interactions with surroundings. It is distinguished from wakefuln ...
contains only a single track, but the composition is over 63 minutes long. There are no formal rules against
artist An artist is a person engaged in an activity related to creating art, practicing the arts, or demonstrating an art. The common usage in both everyday speech and academic discourse refers to a practitioner in the visual arts only. However, th ...
s such as Pinhead Gunpowder referring to their own releases under thirty minutes as "albums". If an album becomes too long to fit onto a single vinyl record or CD, it may be released as a
double album A double album (or double record) is an audio album that spans two units of the primary medium in which it is sold, typically either records or compact disc. A double album is usually, though not always, released as such because the recording i ...
where two vinyl LPs or compact discs are packaged together in a single case, or a
triple album A double album (or double record) is an audio album that spans two units of the primary medium in which it is sold, typically either records or compact disc. A double album is usually, though not always, released as such because the recording ...
containing three LPs or compact discs. Recording artists who have an extensive back catalogue may re-release several CDs in one single box with a unified design, often containing one or more albums (in this scenario, these releases can sometimes be referred to as a "two (or three)-fer"), or a compilation of previously unreleased recordings. These are known as
box set A box set or (its original name) boxed set is a set of items (for example, a compilation of books, musical recordings, films or television programs) traditionally packaged in a box and offered for sale as a single unit. Music Artists and bands ...
s. Some musical artists have also released more than three compact discs or LP records of new recordings at once, in the form of boxed sets, although in that case the work is still usually considered to be an album.


Tracks

Material (music or sounds) is stored on an album in sections termed tracks, normally 12 tracks. A music track (often simply referred to as a track) is an individual
song A song is a musical composition intended to be performed by the human voice. This is often done at distinct and fixed pitches (melodies) using patterns of sound and silence. Songs contain various forms, such as those including the repetiti ...
or
instrumental An instrumental is a recording normally without any vocals, although it might include some inarticulate vocals, such as shouted backup vocals in a big band setting. Through semantic widening, a broader sense of the word song may refer to inst ...
recording. The term is particularly associated with
popular music Popular music is music with wide appeal that is typically distributed to large audiences through the music industry. These forms and styles can be enjoyed and performed by people with little or no musical training.Popular Music. (2015). ''Fu ...
where separate tracks are known as album tracks; the term is also used for other formats such as EPs and
singles Singles are people not in a committed relationship. Singles may also refer to: Film and television * ''Singles'' (miniseries), a 1984 Australian television series * ''Singles'' (1992 film), written and directed by Cameron Crowe * ''Singles'' ...
. When vinyl records were the primary medium for audio recordings a track could be identified visually from the grooves and many album covers or sleeves included numbers for the tracks on each side. On a
compact disc The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in O ...
the track number is indexed so that a player can jump straight to the start of any track. On digital music stores such as
iTunes iTunes () is a software program that acts as a media player, media library, mobile device management utility, and the client app for the iTunes Store. Developed by Apple Inc., it is used to purchase, play, download, and organize digital mu ...
the term song is often used interchangeably with track regardless of whether there is any vocal content. A track that has the same name as the album is called the title track.


Bonus tracks

A bonus track (also known as a bonus cut or bonus) is a piece of music which has been included as an extra. This may be done as a marketing promotion, or for other reasons. It is not uncommon to include singles,
B-side The A-side and B-side are the two sides of phonograph records and cassettes; these terms have often been printed on the labels of two-sided music recordings. The A-side usually features a recording that its artist, producer, or record compan ...
s, live recordings, and
demo recording A demo (shortened from "demonstration") is a song or group of songs typically recorded for limited circulation or for reference use, rather than for general public release. A demo is a way for a musician to approximate their ideas in a fixed for ...
s as bonus tracks on re-issues of old albums, where those tracks weren't originally included. Online music stores allow buyers to create their own albums by selecting songs themselves; bonus tracks may be included if a customer buys a whole album rather than just one or two songs from the artist. The song is not necessarily free nor is it available as a stand-alone download, adding also to the incentive to buy the complete album. In contrast to
hidden track In the field of recorded music, a hidden track (sometimes called a ghost track, secret track or unlisted track) is a song or a piece of audio that has been placed on a CD, audio cassette, LP record, or other recorded medium, in such a way as to ...
s, bonus tracks are included on track listings and usually do not have a gap of silence between other album tracks. Bonus tracks on CD or vinyl albums are common in Japan for releases by European and North American artists; since importing international copies of the album can be cheaper than buying a domestically released version, Japanese releases often feature bonus tracks to incentivize domestic purchase.


Audio formats


Non-audio printed format

Commercial sheet music are published in conjunction with the release of a new album (studio, compilation, soundtrack, etc.). A matching folio songbook is a compilation of the
music notation Music is generally defined as the art of arranging sound to create some combination of form, harmony, melody, rhythm or otherwise expressive content. Exact definitions of music vary considerably around the world, though it is an aspect ...
of all the songs included in that particular album. It typically has the album's artwork on its cover and, in addition to sheet music, it includes photos of the artist. Most pop and rock releases come in standard Piano/Vocal/Guitar notation format (and occasionally Easy Piano / E-Z Play Today). Rock-oriented releases may also come in Guitar Recorded Versions edition, which are note-for-note transcriptions written directly from artist recordings.


Vinyl records

Vinyl LP records have two sides, each comprising one-half of the album. If a
pop Pop or POP may refer to: Arts, entertainment, and media Music * Pop music, a musical genre Artists * POP, a Japanese idol group now known as Gang Parade * Pop!, a UK pop group * Pop! featuring Angie Hart, an Australian band Albums * ''Pop'' ( ...
or rock album contained tracks released separately as commercial
singles Singles are people not in a committed relationship. Singles may also refer to: Film and television * ''Singles'' (miniseries), a 1984 Australian television series * ''Singles'' (1992 film), written and directed by Cameron Crowe * ''Singles'' ...
, they were conventionally placed in particular positions on the album. During the Sixties, particularly in the UK, singles were generally released separately from albums. Today, many commercial albums of music tracks feature one or more singles, which are released separately to radio, TV or the Internet as a way of promoting the album. Albums have been issued that are compilations of older tracks not originally released together, such as singles not originally found on albums,
b-sides The A-side and B-side are the two sides of phonograph records and cassettes; these terms have often been printed on the labels of two-sided music recordings. The A-side usually features a recording that its artist, producer, or record company ...
of singles, or unfinished " demo" recordings. Double albums during the Seventies were sometimes sequenced for record changers. In the case of a two-record set, for example, sides 1 and 4 would be stamped on one record, and sides 2 and 3 on the other. The user would stack the two records onto the spindle of an automatic record changer, with side 1 on the bottom and side 2 (on the other record) on top. Side 1 would automatically drop onto the turntable and be played. When finished, the tone arm's position would trigger a mechanism which moved the arm out of the way, dropped the record with side 2, and played it. When both records had been played, the user would pick up the stack, turn it over, and put them back on the spindle—sides 3 and 4 would then play in sequence. Record changers were used for many years of the LP era, but eventually fell out of use.


8-track tape

8-track tape (formally Stereo 8: commonly known as the eight-track cartridge, eight-track tape, or simply eight-track) is a
magnetic tape sound recording An audio tape recorder, also known as a tape deck, tape player or tape machine or simply a tape recorder, is a sound recording and reproduction device that records and plays back sounds usually using magnetic tape for storage. In its present- ...
technology popular in the United States from the mid-1960s to the late 1970s when the
Compact Cassette The Compact Cassette or Musicassette (MC), also commonly called the tape cassette, cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. Invented by Lou Otte ...
format took over. The format is regarded as an obsolete technology, and was relatively unknown outside the United States, the United Kingdom, Canada and Australia. Stereo 8 was created in 1964 by a consortium led by
Bill Lear William Powell Lear (June 26, 1902 – May 14, 1978) was an American inventor and businessman. He is best known for founding Learjet, a manufacturer of business jets. He also invented the battery eliminator for the B battery, and developed the ...
of Lear Jet Corporation, along with
Ampex Ampex is an American electronics company founded in 1944 by Alexander M. Poniatoff as a spin-off of Dalmo-Victor. The name AMPEX is a portmanteau, created by its founder, which stands for Alexander M. Poniatoff Excellence.AbramsoThe History ...
,
Ford Motor Company Ford Motor Company (commonly known as Ford) is an American multinational automobile manufacturer headquartered in Dearborn, Michigan, United States. It was founded by Henry Ford and incorporated on June 16, 1903. The company sells automobi ...
,
General Motors The General Motors Company (GM) is an American Multinational corporation, multinational Automotive industry, automotive manufacturing company headquartered in Detroit, Michigan, United States. It is the largest automaker in the United States and ...
,
Motorola Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent public companies, Motorola ...
, and
RCA Victor Records RCA Records is an American record label currently owned by Sony Music Entertainment, a subsidiary of Sony Corporation of America. It is one of Sony Music's four flagship labels, alongside RCA's former long-time rival Columbia Records; also Ari ...
(RCA). It was a further development of the similar
Stereo-Pak The Muntz Stereo-Pak, commonly known as the 4-track cartridge, is a magnetic tape sound recording cartridge technology. The Stereo-Pak cartridge was inspired by the Fidelipac 3-track tape cartridge system invented by George Eash in 1954 and ...
four-track cartridge created by
Earl "Madman" Muntz Earl William "Madman" Muntz (January 3, 1914 – June 21, 1987) was an American businessman and engineer who sold and promoted cars and consumer electronics in the United States from the 1930s until his death in 1987. He was a pioneer in telev ...
. A later
quadraphonic Quadraphonic (or quadrophonic and sometimes quadrasonic) sound – equivalent to what is now called 4.0 surround sound – uses four audio channels in which speakers are positioned at the four corners of a listening space. The system allows for t ...
version of the format was announced by RCA in April 1970 and first known as Quad-8, then later changed to just Q8.


Compact cassette

The Compact Cassette was a popular medium for distributing pre-recorded music from the early 1970s to the early 2000s. The first "Compact Cassette" was introduced by
Philips Koninklijke Philips N.V. (), commonly shortened to Philips, is a Dutch multinational conglomerate corporation that was founded in Eindhoven in 1891. Since 1997, it has been mostly headquartered in Amsterdam, though the Benelux headquarters is ...
in August 1963 in the form of a prototype. Compact Cassettes became especially popular during the 1980s after the advent of the Sony
Walkman Walkman, stylised as , is a brand of portable audio players manufactured and marketed by Japanese technology company Sony since 1979. The original Walkman was a portable cassette player and its popularity made "walkman" an unofficial term for p ...
, which allowed the person to control what they listened to. The Walkman was convenient because of its size, the device could fit in most pockets and often came equipped with a clip for belts or pants. The compact cassette used double-sided
magnetic tape Magnetic tape is a medium for magnetic storage made of a thin, magnetizable coating on a long, narrow strip of plastic film. It was developed in Germany in 1928, based on the earlier magnetic wire recording from Denmark. Devices that use magnet ...
to distribute music for commercial sale. The music is recorded on both the "A" and "B" side of the tape, with cassette being "turned" to play the other side of the album. Compact Cassettes were also a popular way for musicians to record "
Demos Demos may refer to: Computing * DEMOS, a Soviet Unix-like operating system * DEMOS (ISP), the first internet service provider in the USSR * Demos Commander, an Orthodox File Manager for Unix-like systems * plural for Demo (computer programming) ...
" or "Demo Tapes" of their music to distribute to various record labels, in the hopes of acquiring a
recording contract A recording contract (commonly called a record contract or record deal) is a legal agreement between a record label and a recording artist (or group), where the artist makes a record (or series of records) for the label to sell and promote. Artists ...
. Compact cassettes also saw the creation of
mixtape A mixtape (alternatively mix-tape, mix tape or mixed tape) is a compilation of music, typically from multiple sources, recorded onto a medium. With origins in the 1980s, the term normally describes a homemade compilation of music onto a cassette ...
s, which are tapes containing a compilation of songs created by any average listener of music. The songs on a mixtape generally relate to one another in some way, whether it be a conceptual theme or an overall sound. After the introduction of Compact discs, the term "Mixtape" began to apply to any personal compilation of songs on any given format. The sales of Compact Cassettes eventually began to decline in the 1990s, after the release and distribution
Compact Disc The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. In August 1982, the first compact disc was manufactured. It was then released in O ...
s. The 2010s saw a revival of Compact Cassettes by
independent record label An independent record label (or indie label) is a record label that operates without the funding or distribution of major record labels; they are a type of small- to medium-sized enterprise, or SME. The labels and artists are often represented ...
s and DIY musicians who preferred the format because of its difficulty to share over the internet.


Compact disc

The compact disc format replaced both the vinyl record and the cassette as the standard for the commercial mass-market distribution of physical music albums. After the introduction of
music download A music download (commonly referred to as a digital download) is the digital transfer of music via the Internet into a device capable of decoding and playing it, such as a personal computer, portable media player, MP3 player or smartphone. Th ...
ing and MP3 players such as the
iPod The iPod is a discontinued series of portable media players and multi-purpose mobile devices designed and marketed by Apple Inc. The first version was released on October 23, 2001, about months after the Macintosh version of iTunes wa ...
, US
album sales Record sales or music sales are activities related to selling music recordings (albums, singles, or music videos) through physical record shops or digital music store. Record sales reached the peak in 1999, when 600 million people spent an aver ...
dropped 54.6% from 2001 to 2009. The CD is a digital
data storage device Data storage is the recording (storing) of information (data) in a storage medium. Handwriting, phonographic recording, magnetic tape, and optical discs are all examples of storage media. Biological molecules such as RNA and DNA are consi ...
which permits
digital recording In digital recording, an audio or video signal is converted into a stream of discrete numbers representing the changes over time in air pressure for audio, or chroma and luminance values for video. This number stream is saved to a storage ...
technology to be used to record and play-back the recorded music.


MP3 albums, and similar

Most recently, the
MP3 MP3 (formally MPEG-1 Audio Layer III or MPEG-2 Audio Layer III) is a coding format for digital audio developed largely by the Fraunhofer Society in Germany, with support from other digital scientists in the United States and elsewhere. Origin ...
audio format has matured, revolutionizing the concept of digital storage. Early MP3 albums were essentially CD-rips created by early CD- ripping software, and sometimes real-time rips from cassettes and vinyl. The so-called "MP3 album" is not necessarily just in MP3 file format, in which higher quality formats such as
FLAC FLAC (; Free Lossless Audio Codec) is an audio coding format for lossless compression of digital audio, developed by the Xiph.Org Foundation, and is also the name of the free software project producing the FLAC tools, the reference softwa ...
and WAV can be used on storage media that MP3 albums reside on, such as CD-R-ROMs,
hard drive A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with mag ...
s,
flash memory Flash memory is an electronic non-volatile computer memory storage medium that can be electrically erased and reprogrammed. The two main types of flash memory, NOR flash and NAND flash, are named for the NOR and NAND logic gates. Both use ...
(e.g. thumbdrives,
MP3 player A portable media player (PMP) (also including the related digital audio player (DAP)) is a portable consumer electronics device capable of storing and playing digital media such as audio, images, and video files. The data is typically stored ...
s,
SD card Secure Digital, officially abbreviated as SD, is a proprietary non-volatile flash memory card format developed by the SD Association (SDA) for use in portable devices. The standard was introduced in August 1999 by joint efforts between SanDis ...
s), etc.


Types of album

The contents of the album are usually recorded in a
studio A studio is an artist or worker's workroom. This can be for the purpose of acting, architecture, painting, pottery (ceramics), sculpture, origami, woodworking, scrapbooking, photography, graphic design, filmmaking, animation, industrial design ...
or live in concert, though may be recorded in other locations, such as at home (as with JJ Cale's ''
Okie An Okie is a person identified with the state of Oklahoma. This connection may be residential, ethnic, historical or cultural. For most Okies, several (or all) of these connections exist and are collectively the source of their being Oklahoman. ...
'', Beck's ''
Odelay ''Odelay'' is the fifth studio album by American musician Beck, released on June 18, 1996, by DGC Records. The album featured several successful singles, including " Where It's At", " Devils Haircut", and " The New Pollution", and peaked at numbe ...
'', David Gray's ''
White Ladder ''White Ladder'' is the fourth studio album by English folk singer-songwriter David Gray. It was first released in March 1999 through Gray's own record label, IHT Records, but failed to chart. On 24 April 2000, the album was re-released by Da ...
'', and others), in the field – as with early Blues recordings, in prison, or with a mobile recording unit such as the Rolling Stones Mobile Studio.


Studio

Most albums are studio albums — that is, they are recorded in a recording studio with equipment meant to give those overseeing the recording as much control as possible over the sound of the album. They minimize external noises and reverberations and have highly sensitive microphones and sound mixing equipment. In some studios, each member of a band records their part in separate rooms (or even at separate times, while listening to the other parts of the track with headphones to keep the timing right). In the 2000s, with the advent of digital recording, it became possible for musicians to record their part of a song in another studio in another part of the world, and send their contribution over digital channels to be included in the final product.


Live

Recordings that are done in one take without
overdubbing Overdubbing (also known as layering) is a technique used in audio recording in which audio tracks that have been pre-recorded are then played back and monitored, while simultaneously recording new, doubled, or augmented tracks onto one or more av ...
or multi-tracking are termed "live", even when done in a studio. However, the common understanding of a "live album" is one that was recorded at a concert before an audience, even when the recording is overdubbed or multi-tracked. Concert or stage performances are recorded using remote recording techniques. Albums may be recorded at a single
concert A concert is a live music performance in front of an audience. The performance may be by a single musician, sometimes then called a recital, or by a musical ensemble, such as an orchestra, choir, or band. Concerts are held in a wide var ...
, or combine recordings made at multiple concerts. They may include applause, laughter and other noise from the audience, monologues by the performers between pieces, improvisation, and so on. They may use
multitrack recording Multitrack recording (MTR), also known as multitracking or tracking, is a method of sound recording developed in 1955 that allows for the separate recording of multiple sound sources or of sound sources recorded at different times to create a ...
direct from the stage sound system (rather than microphones placed among the audience), and can employ additional manipulation and effects during post-production to enhance the quality of the recording. Notable early live albums include the
double album A double album (or double record) is an audio album that spans two units of the primary medium in which it is sold, typically either records or compact disc. A double album is usually, though not always, released as such because the recording i ...
of
Benny Goodman Benjamin David Goodman (May 30, 1909 – June 13, 1986) was an American clarinetist and bandleader known as the "King of Swing". From 1936 until the mid-1940s, Goodman led one of the most popular swing big bands in the United States. His conc ...
, ''
The Famous 1938 Carnegie Hall Jazz Concert ''The Famous 1938 Carnegie Hall Jazz Concert'' by Benny Goodman, Columbia Records catalogue item SL-160, is a two- disc LP of swing and jazz music recorded at Carnegie Hall in New York City on January 16, 1938. First issued in 1950, the landmark ...
'', released in 1950. Live
double album A double album (or double record) is an audio album that spans two units of the primary medium in which it is sold, typically either records or compact disc. A double album is usually, though not always, released as such because the recording i ...
s later became popular during the 1970s. Appraising the concept in '' Christgau's Record Guide: Rock Albums of the Seventies'' (1981),
Robert Christgau Robert Thomas Christgau ( ; born April 18, 1942) is an American music journalist and essayist. Among the most well-known and influential music critics, he began his career in the late 1960s as one of the earliest professional rock critics and ...
said most "are profit-taking recaps marred by sound and format inappropriate to phonographic reproduction (you can't put sights, smells, or fellowship on audio tape). But for
Joe Cocker John Robert "Joe" Cocker (20 May 1944 – 22 December 2014) was an English singer known for his gritty, bluesy voice and dynamic stage performances that featured expressive body movements. Most of his best known singles were recordings of son ...
and
Bette Midler Bette Midler (;'' Inside the Actors Studio'', 2004 born December 1, 1945) is an American singer, actress, comedian and author. Throughout her career, which spans over five decades, Midler has received numerous accolades, including four Golden ...
and Bob-Dylan-in-the-arena, the form makes a compelling kind of sense."
Eric Clapton Eric Patrick Clapton (born 1945) is an English rock and blues guitarist, singer, and songwriter. He is often regarded as one of the most successful and influential guitarists in rock music. Clapton ranked second in ''Rolling Stone''s list o ...
's ''
Unplugged Unplugged may refer to: *Acoustic music, music not produced through electronic means * "Unplugged" (B.A.P song), 2014 * "Unplugged" (''Modern Family''), a 2010 episode of ''Modern Family'' Albums and EPs * ''Unplugged'' (5'nizza album), 2002 * '' ...
'' (1992), over 26 million copies,
Garth Brooks Troyal Garth Brooks (born February 7, 1962) is an American country music singer and songwriter. His integration of pop and rock elements into the country genre has earned him popularity, particularly in the United States with success on the co ...
' '' Double Live'' (1998), over 21 million copies, and
Peter Frampton Peter Kenneth Frampton (born 22 April 1950) is an English musician and songwriter who was a member of the rock bands Humble Pie and the Herd. As a solo artist, he has released several albums, including his major breakthrough album, the live ...
's '' Frampton Comes Alive!'' (1976), over 11 million copies, are among the best selling live albums. In ''Rolling Stone''s 500 Greatest Albums of All Time 18 albums were live albums.


Solo

A solo album, in
popular music Popular music is music with wide appeal that is typically distributed to large audiences through the music industry. These forms and styles can be enjoyed and performed by people with little or no musical training.Popular Music. (2015). ''Fu ...
, is an album recorded by a current or former member of a
musical group Musical is the adjective of music. Musical may also refer to: * Musical theatre, a performance art that combines songs, spoken dialogue, acting and dance * Musical film and television, a genre of film and television that incorporates into the narr ...
which is released under that artist's name only, even though some or all other band members may be involved. The solo album appeared as early as the late 1940s. A 1947 ''
Billboard A billboard (also called a hoarding in the UK and many other parts of the world) is a large outdoor advertising structure (a billing board), typically found in high-traffic areas such as alongside busy roads. Billboards present large adverti ...
'' magazine article heralded "
Margaret Whiting Margaret Eleanor Whiting (July 22, 1924 – January 10, 2011) was an American popular music and country music singer who gained popularity in the 1940s and 1950s.Mapes, Jillian.Margaret Whiting, Iconic Standards Singer, Dies at 86. ''Billboard' ...
huddling with Capitol execs over her first solo album on which she will be backed by
Frank De Vol Frank Denny De Vol (September 20, 1911 – October 27, 1999) was an American actor, and using the name De Vol was an arranger and composer. As a composer he was nominated for four Academy Awards. Early life and career De Vol was born in Mounds ...
". There is no formal definition setting forth the amount of participation a band member can solicit from other members of their band, and still have the album referred to as a solo album. One reviewer wrote that
Ringo Starr Sir Richard Starkey (born 7 July 1940), known professionally as Ringo Starr, is an English musician, singer, songwriter and actor who achieved international fame as the drummer for the Beatles. Starr occasionally sang lead vocals with the ...
's third venture, ''
Ringo Sir Richard Starkey (born 7 July 1940), known professionally as Ringo Starr, is an English musician, singer, songwriter and actor who achieved international fame as the drummer for the Beatles. Starr occasionally sang lead vocals with the ...
'', " chnically... wasn't a solo album because all four
Beatles The Beatles were an English rock band, formed in Liverpool in 1960, that comprised John Lennon, Paul McCartney, George Harrison and Ringo Starr. They are regarded as the most influential band of all time and were integral to the developm ...
appeared on it". Three of the four members of the Beatles released solo albums while the group was officially still together. A performer may record a solo album for several reasons. A solo performer working with other members will typically have full creative control of the band, be able to hire and fire accompanists, and get the majority of the proceeds. The performer may be able to produce songs that differ widely from the sound of the band with which the performer has been associated, or that the group as a whole chose not to include in its own albums.
Graham Nash Graham William Nash (born 2 February 1942) is an English musician, singer, songwriter, photographer, and activist. He is known for his light tenor voice and for his contributions as a member of the Hollies and the supergroups Crosby, Stills ...
of
The Hollies The Hollies are a British pop rock band, formed in 1962. One of the leading British groups of the 1960s and into the mid-1970s, they are known for their distinctive three-part vocal harmony style. Allan Clarke and Graham Nash founded the band ...
described his experience in developing a solo album as follows: "The thing that I go through that results in a solo album is an interesting process of collecting songs that can't be done, for whatever reason, by a lot of people". A solo album may also represent the departure of the performer from the group.


Compilation album

A
compilation album A compilation album comprises tracks, which may be previously released or unreleased, usually from several separate recordings by either one or several performers. If by one artist, then generally the tracks were not originally intended for rel ...
is a collection of material from various recording projects or various artists, assembled with a theme such as the "greatest hits" from one artist, B-sides and rarities by one artist, or selections from a
record label A record label, or record company, is a brand or trademark of music recordings and music videos, or the company that owns it. Sometimes, a record label is also a publishing company that manages such brands and trademarks, coordinates the pr ...
, a
musical genre A music genre is a conventional category that identifies some pieces of music as belonging to a shared tradition or set of conventions. It is to be distinguished from '' musical form'' and musical style, although in practice these terms are som ...
, a certain time period, or a regional music scene. Promotional sampler albums are compilations.


Tribute or cover

A tribute or cover album is a compilation of
cover version In popular music, a cover version, cover song, remake, revival, or simply cover, is a new performance or recording by a musician other than the original performer or composer of the song. Originally, it referred to a version of a song relea ...
s of songs or instrumental compositions. Its concept may involve various artists covering the songs of a single artist, genre or period, a single artist covering the songs of various artists or a single artist, genre or period, or any variation of an album of cover songs which is marketed as a "tribute".


See also

*
Album-equivalent unit The album-equivalent unit, or album equivalent, is a measurement unit in music industry to define the consumption of music that equals the purchase of one album copy. This consumption includes streaming and song downloads in addition to traditio ...
*
Album-oriented rock Album-oriented rock (AOR, originally called album-oriented radio) is an FM radio format created in the United States in the 1970s that focuses on the full repertoire of rock albums and is currently associated with classic rock. Album-orien ...
*
Art release An art release is the premiere of an artistic production and its presentation and marketing to the public. Film A film release is the authorization by the owner of a completed film to a public exhibition of the film. The exhibition may be in the ...
*
Comedy album Comedy is a genre of fiction that consists of discourses or works intended to be humorous or amusing by inducing laughter, especially in theatre, film, stand-up comedy, television, radio, books, or any other entertainment medium. The term origin ...
*
Compilation album A compilation album comprises tracks, which may be previously released or unreleased, usually from several separate recordings by either one or several performers. If by one artist, then generally the tracks were not originally intended for rel ...
*
Concept album A concept album is an album whose tracks hold a larger purpose or meaning collectively than they do individually. This is typically achieved through a single central narrative or theme, which can be instrumental, compositional, or lyrical. Some ...
* Lists of albums * Record sales *
Remix album A remix album is an album consisting of remixes or rerecorded versions of an artist's earlier released material. The first act who employed the format was American singer-songwriter Harry Nilsson ('' Aerial Pandemonium Ballet'', 1971). As of 200 ...
*
Soundtrack album A soundtrack album is any album that incorporates music directly recorded from the soundtrack of a particular feature film or television show. The first such album to be commercially released was Walt Disney's ''Snow White and the Seven Dwarfs' ...
*
Split album A split album (or split) is a music album that includes tracks by two or more separate artists. There are also singles and EPs of the same variety, which are often called "split singles" and "split EPs" respectively. Split albums differ from " va ...


References

{{Authority control Media formats