The A♭ major scale is a seven-note musical scale that consists of the notes A♭, B♭, C, D♭, E♭, F, and G. It is characterized by its specific pattern of whole and half steps, which creates a distinct sound. The scale is often used in various musical genres, including classical, jazz, and pop. In terms of key signature, the A♭ major scale has four flats: B♭, E♭, A♭, and D♭. This scale serves as the foundation for many compositions and is essential for musicians to understand when playing in the key of A♭ major. It is also related to the F minor scale, its relative minor.