Impro-Visor
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Impro-Visor
Impro-Visor is an educational tool for creating and playing a lead sheet, with a particular orientation toward representing jazz solos. Improvisation Advisor The philosophy of Impro-Visor is to provide a tool to help musicians construct jazz solos over chord progressions. It includes a database capability for creating, saving, and recalling lick (music), licks, as well as a lick generation capability based on a user-modifiable Probabilistic context-free grammar, grammar. More recent versions of Impro-Visor include auto-generated playback accompaniment in various styles, and a style extraction (from MIDI) capability. Most musical knowledge, including lick generation, database, lead sheets, styles, and other information, is represented as text files, permitting the tool to be customized. Leadsheet Notation Impro-Visor saves lead sheets in a textual notation, and lead sheets may be created from that notation as well as by point-and-click. The notation was designed to be fr ...
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Robert M
The name Robert is an ancient Germanic given name, from Proto-Germanic "fame" and "bright" (''Hrōþiberhtaz''). Compare Old Dutch ''Robrecht'' and Old High German ''Hrodebert'' (a compound of '' Hruod'' ( non, Hróðr) "fame, glory, honour, praise, renown" and ''berht'' "bright, light, shining"). It is the second most frequently used given name of ancient Germanic origin. It is also in use as a surname. Another commonly used form of the name is Rupert. After becoming widely used in Continental Europe it entered England in its Old French form ''Robert'', where an Old English cognate form (''Hrēodbēorht'', ''Hrodberht'', ''Hrēodbēorð'', ''Hrœdbœrð'', ''Hrœdberð'', ''Hrōðberχtŕ'') had existed before the Norman Conquest. The feminine version is Roberta. The Italian, Portuguese, and Spanish form is Roberto. Robert is also a common name in many Germanic languages, including English, German, Dutch, Norwegian, Swedish, Scots, Danish, and Icelandic. It can be use ...
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Musical Tone
Traditionally in Western music, a musical tone is a steady periodic sound. A musical tone is characterized by its duration, pitch, intensity (or loudness), and timbre (or quality). The notes used in music can be more complex than musical tones, as they may include aperiodic aspects, such as attack transients, vibrato, and envelope modulation. A simple tone, or pure tone, has a sinusoidal waveform. A complex tone is a combination of two or more pure tones that have a periodic pattern of repetition, unless specified otherwise. The Fourier theorem states that any periodic waveform can be approximated as closely as desired as the sum of a series of sine waves with frequencies in a harmonic series and at specific phase relationships to each other. The common denominator frequency, which is also often the lowest of these frequencies is the fundamental frequency, and is also the inverse of the period of the waveform. The fundamental frequency determines the pitch of the tone, wh ...
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Chord Progression
In a musical composition, a chord progression or harmonic progression (informally chord changes, used as a plural) is a succession of chords. Chord progressions are the foundation of harmony in Western musical tradition from the common practice era of Classical music to the 21st century. Chord progressions are the foundation of Western popular music styles (e.g., pop music, rock music), traditional music, as well as genres such as blues and jazz. In these genres, chord progressions are the defining feature on which melody and rhythm are built. In tonal music, chord progressions have the function of either establishing or otherwise contradicting a tonality, the technical name for what is commonly understood as the "key" of a song or piece. Chord progressions, such as the common chord progression I–vi–ii–V, are usually expressed by Roman numerals in Classical music theory. In many styles of popular and traditional music, chord progressions are expressed using the name and " ...
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Chord Chart
A chord chart (or chart) is a form of musical notation that describes the basic harmonic and rhythmic information for a song or tune. It is the most common form of notation used by professional session musicians playing jazz or popular music. It is intended primarily for a rhythm section (usually consisting of piano, guitar, drums and bass). In these genres the musicians are expected to be able to improvise the individual notes used for the chords (the " voicing") and the appropriate ornamentation, counter melody or bassline. In some chord charts, the harmony is given as a series of chord symbols above a traditional musical staff. The rhythmic information can be very specific and written using a form of traditional notation, sometimes called rhythmic notation, or it can be completely unspecified using slash notation, allowing the musician to fill the bar with chords or fills any way they see fit (called '' comping''). In Nashville notation the key is left unspecified on the char ...
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Bassline
Bassline (also known as a bass line or bass part) is the term used in many styles of music, such as blues, jazz, funk, Dub music, dub and electronic music, electronic, traditional music, traditional, or classical music for the low-pitched Part (music), instrumental part or line played (in jazz and some forms of popular music) by a rhythm section instrument such as the bass guitar, electric bass, double bass, cello, tuba or keyboard (piano, Hammond organ, electric organ, or synthesizer). In unaccompanied solo performance, basslines may simply be played in the lower register (music), register of any instrument while melody and/or further accompaniment is provided in the middle or upper register. In solo music for piano and pipe organ, these instruments have an excellent lower register that can be used to play a deep bassline. On organs, the bass line is typically played using the pedal keyboard and massive 16' and 32' bass pipes. Riffs and grooves Basslines in Pop music, popular m ...
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Comping (jazz)
In jazz, comping (an abbreviation of accompaniment; or possibly from the verb, to "complement") is the chords, rhythms, and countermelodies that keyboard players (piano or organ), guitar players, or drummers use to support a musician's improvised solo or melody lines. It is also the action of accompanying, and the left-hand part of a solo pianist.Hughes, Fred (2002). ''The Jazz Pianist: Left Hand Voicings and Chord Theory'', p.5. . Types In a standard jazz combo, the pianist or guitarist typically comps during the horn and double bass solos by improvising chords and countermelodies. The chordal accompaniment used in jazz is different from the chordal accompaniment style used in many types of popular music, such as rock and folk. *In a rock or folk band, a guitarist or piano player will accompany by playing primarily root-position triads consisting of the notes of the chord known as the root, 3rd, and 5th. In the key of C, the G chord would include the notes G, B, and D (t ...
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Swung Note
Swing or swinging may refer to: Apparatus * Swing (seat), a hanging seat that swings back and forth * Pendulum, an object that swings * Russian swing, a swing-like circus apparatus * Sex swing, a type of harness for sexual intercourse * Swing ride, an amusement park ride consisting of suspended seats that rotate like a merry-go-round Arts, entertainment, and media Films * ''Swing'' (1938 film), an American film directed by Oscar Micheaux * ''Swing'' (1999 film), an American film by Nick Mead * ''Swing'' (2002 film), a French film by Tony Gatlif * ''Swing'' (2003 film), an American film by Martin Guigui * ''Swing'' (2010 film), a Hindi short film * ''Swing'' (2021 film), an American film by Michael Mailer Music Styles * Swing (jazz performance style), the sense of propulsive rhythmic "feel" or "groove" in jazz * Swing music, a style of jazz popular during the 1930s–1950s Groups and labels * Swing (Canadian band), a Canadian néo-trad band * Swing (Hong Kong band), a Hong ...
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Band-in-a-Box
Band-in-a-Box is a music creation software package for Windows and macOS produced by PG Music Incorporated, founded in 1988 in Victoria, British Columbia. The software enables a user a user to create any song and have it accompanied by professional musicians playing real instruments. Despite this remarkable accomplishment, reviewers have described the software interface as awkward or outdated. The user enters four basic keyboard inputs consisting of: chords; a key; a tempo; a musical style. The screen resembles a blank page of music onto which the user enters the names of chords (even sophisticated complex ones) using standard chord notation. The software generates a song typically played by four or five studio musicians using those chords; the user can specify whether to create solo parts over these chords as well. The developers have enlisted musicians as supporting instrumentalists to build huge databases of phrases in many styles of music. The software retrieves and customizes gr ...
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Stochastic Context-free Grammar
Grammar theory to model symbol strings originated from work in computational linguistics aiming to understand the structure of natural languages. Probabilistic context free grammars (PCFGs) have been applied in probabilistic modeling of RNA structures almost 40 years after they were introduced in computational linguistics. PCFGs extend context-free grammars similar to how hidden Markov models extend regular grammars. Each production is assigned a probability. The probability of a derivation (parse) is the product of the probabilities of the productions used in that derivation. These probabilities can be viewed as parameters of the model, and for large problems it is convenient to learn these parameters via machine learning. A probabilistic grammar's validity is constrained by context of its training dataset. PCFGs have application in areas as diverse as natural language processing to the study the structure of RNA molecules and design of programming languages. Designing efficient PC ...
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Markov Chain
A Markov chain or Markov process is a stochastic model describing a sequence of possible events in which the probability of each event depends only on the state attained in the previous event. Informally, this may be thought of as, "What happens next depends only on the state of affairs ''now''." A countably infinite sequence, in which the chain moves state at discrete time steps, gives a discrete-time Markov chain (DTMC). A continuous-time process is called a continuous-time Markov chain (CTMC). It is named after the Russian mathematician Andrey Markov. Markov chains have many applications as statistical models of real-world processes, such as studying cruise control systems in motor vehicles, queues or lines of customers arriving at an airport, currency exchange rates and animal population dynamics. Markov processes are the basis for general stochastic simulation methods known as Markov chain Monte Carlo, which are used for simulating sampling from complex probability dist ...
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