Scales reference
Chromatic Scale
The chromatic scale contains all twelve pitch classes within an octave in equal temperament, with each adjacent pitch separated by a semitone.
Developing reference
Overview
Unlike a diatonic or pentatonic scale, the chromatic scale includes every available pitch class in the common twelve-tone system. A starting note can organise its spelling and register, but no pitch is omitted from the collection.
Construction
Successive notes move by semitone until the starting pitch returns at the octave. Written spelling depends on direction and context because a practical notation must choose among enharmonically equivalent names.
Characteristics
The collection itself does not establish the unequal hierarchy associated with a major or minor key. Tonal focus emerges from emphasis, rhythm, harmony, phrasing, and the way chromatic notes approach more stable pitches.
Applications
Chromatic motion connects chord tones, decorates melodies, supports modulation, and provides a complete map of fretboard pitch locations. Slow chromatic practice can also reveal spacing and note-name relationships across an instrument.