In music alteration, an example of chromaticism, is the use of a neighboring pitch in the chromatic scale in place of its diatonic neighbor such as in an altered chord. This should not be confused with borrowing (as in borrowed chord), in which pitches or chords from the parallel key are used in place of those of the original key. Altered notes may be used as leading tones to emphasis their diatonic neighbors. Music is an art, entertainment, or other human activity which involves organized sound, though definitions may vary. ... In music, chromatic indicates the inclusion of notes not in the prevailing scale and is also used for those notes themselves (Shir-Cliff et al 1965, p. ... The chromatic scale is a musical scale that contains all twelve pitches of the Western tempered scale. ... In Music theory, the diatonic major scale (also known as the Guido scale), from the Greek diatonikos or to stretch out, is a fundamental building block of the European-influenced musical tradition. ... In music, an altered chord, an example of alteration, is a chord with one or more diatonic notes replaced by, or altered to, a neighboring pitch in the chromatic scale. ... A borrowed chord is a chord borrowed from the parallel key. ... In music, the parallel minor of a particular major key (or the parallel major of a minor key) is the key which has the same tonic and a different key signature, as opposed to relative minor (or major, respectively). ... In music theory, a leading-tone (called the leading-note outside the US) is a note or pitch which is resolves or leads to a note one semitone higher or lower, being an lower and upper leading-tone, respectively. ...

For example, an altered dominant or V chord may be Gb-B-D#: The word dominant has several possible meanings: In music theory, the dominant or dominant note (second most important) of a key is that which is a perfect fifth above the tonic; in just intonation the note whose pitch is 1. ...