Meaning of Chromatic in Music
In music, the term "chromatic" refers to the use of notes that are outside the diatonic scale or mode upon which a composition is based. The chromatic scale is a set of twelve pitches, or pitch classes, used in tonal music, with notes separated by the interval of a semitone. It includes all the half steps within an octave, encompassing both the white and black keys on a piano.
While most music uses subsets of the chromatic scale, such as diatonic scales, the chromatic scale itself is fundamental in Western music theory. It is seldom used in its entirety in musical compositions or improvisation, but rather as a tool for adding color, tension, or expressiveness to a piece.
The term "chromatic" is derived from the Greek word "chroma," meaning "color" In the context of music, chromatic notes can be seen as adding interest or excitement by using improper notes that are usually considered offensive, as they are outside the scale.
1. Any music or chord that contains notes not belonging to the diatonic scale.
2. Music which proceeds in half steps.
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