Key cheat sheets
All 24 keys (12 major, 12 minor) laid out in circle-of-fifths order. Each key page shows its signature, scale notes, diatonic chords, and go-to progressions alongside tools that play the sound.
Major keys
C Signature: none (0 sharps/flats) Relative: Am G Signature: 1♯ Relative: Em D Signature: 2♯ Relative: Bm A Signature: 3♯ Relative: F#m E Signature: 4♯ Relative: C#m B Signature: 5♯ Relative: G#m F# Signature: 6♯ Relative: D#m Db Signature: 5♭ Relative: Bbm Ab Signature: 4♭ Relative: Fm Eb Signature: 3♭ Relative: Cm Bb Signature: 2♭ Relative: Gm F Signature: 1♭ Relative: Dm
Minor keys
Am Signature: none (0 sharps/flats) Relative: C Em Signature: 1♯ Relative: G Bm Signature: 2♯ Relative: D F#m Signature: 3♯ Relative: A C#m Signature: 4♯ Relative: E G#m Signature: 5♯ Relative: B D#m Signature: 6♯ Relative: F# Bbm Signature: 5♭ Relative: Db Fm Signature: 4♭ Relative: Ab Cm Signature: 3♭ Relative: Eb Gm Signature: 2♭ Relative: Bb Dm Signature: 1♭ Relative: F