A-flat major A-flat major is a major key with four flats (B♭, E♭, A♭, D♭). Known for its warm, lyrical character, it appears frequently in piano literature and in slow orchestral movements.
A-flat minor A-flat minor is a theoretical minor key with seven flats (A♭–B♭–C♭–D♭–E♭–F♭–G♭). It is rarely used in practice and is usually represented enharmonically by G♯ minor.
