The chromatic scale is a musical scale with twelve pitches, each a semitone or half step apart. "A chromatic scale is a nondiatonic scale consisting entirely of half-step intervals ...
SUGGESTED LISTENING EXAMPLES: Bach: Chromatic Fantasia and Fugue in D minor, BWV 903 (opening of the fugue) W. W. Norton - 4-CD Musical Example Bank-- Disc 1, Track 17
All about the chromatic scale. ... The word "chromatic" comes from the Greek word chroma meaning "color'. The chromatic scale consists of 12 notes each a half step apart.