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Thirteenth
In music or music theory, a thirteenth is the note thirteen scale degrees from the root of a chord and also the interval between the root and the thirteenth. The thirteenth is most commonly major or minor . A thirteenth chord is the stacking of six (major or minor) thirds, the last being above the 11th of an eleventh chord. Thus a thirteenth chord is a tertian (built from thirds) chord containing the interval of a thirteenth, and is an extended chord if it includes the ninth and/or the eleventh. "The jazzy thirteenth is a very versatile chord and is used in many genres." Since 13th chords tend to become unclear or confused with other chords when inverted, they are generally found in root position. For example, depending on voicing, a major triad with an added major sixth is usually called a sixth chord , because the sixth serves as a substitution for the major seventh, thus considered a chord tone in such context. However, Walter Piston, writing in 1952, co ...
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Extended Chord
In music, extended chords are certain Chord (music), chords (built from third (chord), thirds) or triad (music), triads with notes ''extended'', or added, beyond the seventh (chord), seventh. Ninth chord, Ninth, Eleventh chord, eleventh, and Thirteenth chord, thirteenth chords are extended chords. The thirteenth is the farthest extension diatonic and chromatic, diatonically possible as, by that point, all seven tonality, tonal degree (music), degrees are represented within the chord (the next extension, the fifteenth, is the same as the root of the chord). In practice however, extended chords do not typically use all the factor (chord), chord members; when it is not altered, the fifth is often omitted, as are notes between the seventh and the highest note (i.e., the ninth is often omitted in an eleventh chord; the ninth and eleventh are usually omitted in a thirteenth chord), unless they are altered to give a special texture. Chords extended beyond the seventh are rarely seen i ...
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Chord (music)
In Western music theory, a chord is a group of notes played together for their harmony, harmonic Consonance and dissonance, consonance or dissonance. The most basic type of chord is a Triad (music), triad, so called because it consists of three distinct notes: the Root (chord), root note along with Interval (music), intervals of a Third (chord), third and a Fifth (chord), fifth above the root note. Chords with more than three notes include added tone chords, extended chords and tone clusters, which are used in contemporary classical music, jazz, and other genres. Chords are the building blocks of harmony and form the harmonic foundation of a piece of music. They provide the harmonic support and coloration that accompany melodies and contribute to the overall sound and mood of a musical composition. The factor (chord), factors, or component notes, of a chord are often sounded simultaneously but can instead be sounded consecutively, as in an arpeggio. A succession of chords is ca ...
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Sixth (chord)
The term ''sixth chord'' refers to two different kinds of chord, one in classical music and the other in modern popular music. The original meaning of the term is a ''chord in first inversion'', in other words with its third in the bass and its root a sixth above it. This is how the term is still used in classical music today, and in this sense it is called also a chord of the sixth. In modern popular music, a sixth chord is any triad with an added sixth above the root as a chord factor. This was traditionally (and in classical music is still today) called an '' added sixth chord'' or ''triad with added sixth'' since Jean-Philippe Rameau (''sixte ajoutée'') in the 18th century. It is not common to designate chord inversions in popular music, so there is no need for a term designating the first inversion of a chord, and so the term ''sixth chord'' in popular music is a short way of saying ''added sixth chord''. There are three main types of added sixth chords: major sixth, m ...
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Sixth Chord
The term ''sixth chord'' refers to two different kinds of Chord (music), chord, one in classical music and the other in modern popular music. The original meaning of the term is a ''chord in first inversion'', in other words with its third (chord), third in the bass note, bass and its root (chord), root a Interval (music), sixth above it. This is how the term is still used in classical music today, and in this sense it is called also a chord of the sixth. In modern popular music, a sixth chord is any triad (music), triad with an added sixth above the root as a Factor (chord), chord factor. This was traditionally (and in classical music is still today) called an ''Added tone chord, added sixth chord'' or ''triad with added sixth'' since Jean-Philippe Rameau (''sixte ajoutée'') in the 18th century. It is not common to designate Inverted chord, chord inversions in popular music, so there is no need for a term designating the first inversion of a chord, and so the term ''sixth chord'' ...
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Root (chord)
In the music theory of harmony, the root is a specific Note (music), note that names and typifies a given chord (music), chord. Chords are often spoken about in terms of their root, their Chord quality, quality, and their Chord extensions, extensions. When a chord is named without reference to quality, it is assumed to be major chord, major—for example, a "C chord" refers to a C major triad, containing the notes C, E, and G. In a given harmonic context, the root of a chord need not be in bass note, the bass position, as chords may be Inversion (music), inverted while retaining the same name, and therefore the same root. In tertian harmonic theory, wherein chords can be considered stacks of third intervals (e.g. in common practice period, common practice tonality), the root of a chord is the Musical note, note on which the subsequent thirds are stacked. For instance, the root of a triad (music), triad such as E Minor is E, independently of the vertical order in which the three n ...
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Interval (music)
In music theory, an interval is a difference in pitch between two sounds. An interval may be described as horizontal, linear, or melodic if it refers to successively sounding tones, such as two adjacent pitches in a melody, and vertical or harmonic if it pertains to simultaneously sounding tones, such as in a chord. In Western music, intervals are most commonly differences between notes of a diatonic scale. Intervals between successive notes of a scale are also known as scale steps. The smallest of these intervals is a semitone. Intervals smaller than a semitone are called microtones. They can be formed using the notes of various kinds of non-diatonic scales. Some of the very smallest ones are called commas, and describe small discrepancies, observed in some tuning systems, between enharmonically equivalent notes such as C and D. Intervals can be arbitrarily small, and even imperceptible to the human ear. In physical terms, an interval is the ratio between two sonic fr ...
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Tertian
In music theory, ''tertian'' (, "of or concerning thirds") describes any piece, chord, counterpoint etc. constructed from the intervals of (major and minor) thirds. An interval such as that between the notes A and C encompasses 3 semitone intervals (A-B-B-C) and is termed a minor third while one such as that between C and E encompasses 4 semitones (C-D-D-E-E) and is called a major third. Tertian harmony (also called tertiary harmony ) principally uses chords based on thirds; the term is typically used to contrast with quartal and quintal harmony which uses chords based on fourths or fifths. A common triad chord can be regarded as consisting of a "stack" of two consecutive thirds. This allows for four permutations, each producing a chord with distinct quality: A musical scale may also be analyzed as a succession of thirds. The meantone temperament, a system of tuning that emphasizes pure thirds, may be called "tertian". Chords built from sixths may also be referred ...
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Chord-scale System
The chord-scale system is a method of matching, from a list of possible chord (music), chords, a list of possible scale (music), scales.Mervyn Cooke, David Horn (2003). ''Cambridge Companions to Music, The Cambridge Companion to Jazz'', p.266. . The system has been widely used since the 1970s. However, the majority of older players used the chord tone/chord arpeggio method. The system is an example of the difference between the treatment of consonance and dissonance, dissonance in jazz and classical harmony: "Classical treats all notes that don't belong to the chord ... as potential dissonances to be resolution (music), resolved. ... Non-classical harmony just tells you which note in the scale to [potentially] avoid-note, avoid ... meaning that all the others are okay". The chord-scale system may be compared with other common methods of improvisation, first, the older traditional chord tone/chord arpeggio method, and where one scale on one root note is used throughout all chords ...
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Music Theory
Music theory is the study of theoretical frameworks for understanding the practices and possibilities of music. ''The Oxford Companion to Music'' describes three interrelated uses of the term "music theory": The first is the "Elements of music, rudiments", that are needed to understand Musical notation, music notation (key signatures, time signatures, and Chord chart, rhythmic notation); the second is learning scholars' views on music from Ancient history, antiquity to the present; the third is a sub-topic of musicology that "seeks to define processes and general principles in music". The musicological approach to theory differs from music analysis "in that it takes as its starting-point not the individual work or performance but the fundamental materials from which it is built." Music theory is frequently concerned with describing how musicians and composers make music, including Musical tuning, tuning systems and composition methods among other topics. Because of the ever-expan ...
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Guitar
The guitar is a stringed musical instrument that is usually fretted (with Fretless guitar, some exceptions) and typically has six or Twelve-string guitar, twelve strings. It is usually held flat against the player's body and played by strumming or Plucked string instrument, plucking the strings with the dominant hand, while simultaneously pressing selected strings against frets with the fingers of the opposite hand. A guitar pick may also be used to strike the strings. The sound of the guitar is projected either Acoustics, acoustically, by means of a resonant hollow chamber on the guitar, or Amplified music, amplified by an electronic Pickup (music technology), pickup and an guitar amplifier, amplifier. The guitar is classified as a chordophone, meaning the sound is produced by a vibrating string stretched between two fixed points. Historically, a guitar was constructed from wood, with its strings made of catgut. Steel guitar strings were introduced near the end of the nineteen ...
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Dominant (music)
In music Music is the arrangement of sound to create some combination of Musical form, form, harmony, melody, rhythm, or otherwise Musical expression, expressive content. Music is generally agreed to be a cultural universal that is present in all hum ..., the dominant is the fifth degree (music), scale degree () of the diatonic scale. It is called the ''dominant'' because it is second in importance to the first scale degree, the tonic (music), tonic. In the Solfège#Movable do solf%C3%A8ge, movable do solfège system, the dominant note is sung as "So(l)". The Triad (music), triad built on the dominant note is called the dominant chord. This chord is said to have dominant Function (music), function, which means that it creates an instability that requires the tonic (music), tonic for resolution (music), resolution. Dominant triads, Seventh chord, seventh chords, and Ninth chord, ninth chords typically have dominant function. Leading-tone triad, Leading-tone triads and Leadin ...
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Four-part Writing
Four-part harmony is music written for four voices, or for some other musical medium—four musical instruments or a single keyboard instrument, for example—for which the various musical parts can give a different note for each chord of the music. The four main voices are typically labelled as soprano (or treble and countertenor), alto (contralto, countertenor or mezzo), tenor, and bass. Because the human voice has a limited range, different voice types are usually not able to sing pitches that lie outside of their specific range. The effort required to perform four-part harmony varies greatly. Pieces written in such a style can be usually executed by a single keyboard player, a group of 4 instruments (or singers), or even a large choir with multiple singers per part. In European classical music In the baroque era, a set of rules developed for voice leading in four-part harmony. In these rules, the bass voice would be assigned the root of the chord, although it c ...
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