Scale Library

Explore every scale in every key — major, minor, modes, pentatonic, blues, exotic and more — with notes, formulas, diatonic chords and audio.

Browse scales by category

Click any scale to open its full page with notes, intervals, diatonic chords, piano and guitar diagrams, staff notation and audio playback.

Diatonic scales

Minor variants

Modes

Pentatonic scales

Blues scales

Symmetric scales

Chromatic

All twelve semitones — the source set for every other scale and a tool for tension and color.

Exotic & world scales

Phrygian Dominant

Phrygian with a major third — flamenco, klezmer and middle-eastern signature sound.

Hear how each scale sounds

Pair scales with our interactive piano and the Circle of Fifths to truly understand how they work.