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The four basic chord types are major, minor, minor-major, and dominant. When written in a jazz chart, these chords may have alterations specified in parentheses after the chord symbol. An altered note is a note which is a deviation from the canonical chord tone. [citation needed] There is variety in the chord symbols used in jazz notation.
In jazz chords and theory, most triads that appear in lead sheets or fake books can have sevenths added to them, using the performer's discretion and ear. [1] For example, if a tune is in the key of C, if there is a G chord, the chord-playing performer usually voices this chord as G 7.
In contrast, in the chord-scale system, a different scale is used for each chord in the progression (for example mixolydian scales on A, E, and D for chords A 7, E 7, and D 7, respectively). [5] Improvisation approaches may be mixed, such as using "the blues approach" for a section of a progression and using the chord-scale system for the rest. [6]
A block chord is a chord or voicing built directly below the melody either on the strong beats or to create a four-part harmonized melody line in "locked-hands" [1] rhythmic unison with the melody, as opposed to broken chords. This latter style, known as shearing voicing, was popularized by George Shearing, but originated with Phil Moore. [1]
An arpeggio (Italian: [arˈpeddʒo]) is a type of broken chord in which the notes that compose a chord are individually sounded in a progressive rising or descending order. Arpeggios on keyboard instruments may be called rolled chords .
A chord chart. Play ⓘ. 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.
Here, the first chord—stretching two octaves from D 2 to D 4 —is a diatonic (so-called white-note) cluster, indicated by the natural sign below the staff. The second is a pentatonic (so-called black-note) cluster, indicated by the flat sign; a sharp sign would be required if the notes showing the limit of the cluster were spelled as sharps.
[4] Despite the layering of fourths, it is rare to find musicologists identifying this chord as "quartal harmony" or even as "proto-quartal harmony", since Wagner's musical language is still essentially built on thirds, and even an ordinary dominant seventh chord can be laid out as augmented fourth plus perfect fourth (F–B–D–G). Wagner's ...