Reference · Keys

Piano keys

All twelve major and twelve minor keys, in circle-of-fifths order: the key signature, the scale and its degrees, the seven diatonic chords with Roman numerals, the sevenths, the chord functions and common progressions in each.

Major keys

C Major G Major D Major A Major E Major B Major F♯ Major D♭ Major A♭ Major E♭ Major B♭ Major F Major

Minor keys

A Minor E Minor B Minor F♯ Minor C♯ Minor G♯ Minor E♭ Minor B♭ Minor F Minor C Minor G Minor D Minor