An A-flat Major chord is a three-note chord that consists of the notes A-flat, C, and E-flat. It is commonly used in various music genres, including classical, jazz, and pop. The chord is built by stacking two intervals: a major third from A-flat to C and a minor third from C to E-flat. In music notation, the A-flat Major chord can be represented in both root position and inversions. In root position, the notes are played in the order of A-flat, C, and E-flat. Inversions rearrange the order of the notes, allowing for different voicings and smoother transitions between chords in a piece.