Chromatic (from Gk. chrōmatikos: ‘coloured’)
- George Dyson
- and William Drabkin
Based on an octave of 12 semitones, as opposed to a seven-note Diatonic scale. A chromatic Scale consists of an ascending or descending line that advances by semitones. An instrument is said to be chromatic if throughout the whole or a substantial part of its compass it can produce all the semitones. An interval is said to be chromatic if it is not part of a diatonic scale (e.g. F–F♯, B–E♭)....