A♭ minor has 7 flats — B♭, E♭, A♭, D♭, G♭, C♭, F♭. Here's the signature on the staff, the full scale, its relative major, and the trick to recognize it instantly.
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A♭ minor borrows its 7 flats straight from its relative major, C♭ major. Beyond the signature, minor keys typically raise the seventh degree into a leading tone, so expect an extra accidental in the music that the key signature never shows.
The A♭ minor scale runs A♭, B♭, C♭, D♭, E♭, F♭, G♭. Every flattened note in the piece takes the key's accidentals automatically, which is exactly what the signature saves you from writing note by note.
A♭ minor shares its signature — 7 flats — with its relative major, C♭ major, a minor third above the tonic. They use the same seven pitches; what tells them apart is which note the music settles on and treats as home.
Neighboring keys on the circle of fifths
A♭ minor has 7 flats — B♭, E♭, A♭, D♭, G♭, C♭, F♭.
The relative major of A♭ minor is C♭ major — it shares the identical key signature (7 flats).
The A♭ minor scale is A♭, B♭, C♭, D♭, E♭, F♭, G♭.
Keep practicing: key signature quiz · circle of fifths · key trainer
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