The A-flat major ninth chord is a lush and harmonically vibrant chord composed of the notes A♭, C, E♭, G, and B♭. By extending the A♭ major seventh with the ninth (B♭), this chord introduces a rich, airy texture that adds depth and sophistication to musical progressions. Commonly used in jazz, pop, and contemporary music, the A-flat major ninth chord provides a warm, expressive foundation, enhancing melodic lines and creating a smooth, elegant, and emotionally engaging sound.
Name: A-flat major ninth chord
Notes: A♭, C, E♭, G, B♭
Intervals: 1, 3, 5, 7, 9
Chord symbol: A♭maj9
Alternative symbols: A♭Δ9, A♭ma9, A♭MA9, A♭M9
Type: Pentad (five-note chord)
A-flat major ninth chord on the Staff
A-flat major ninth chord on Piano
A-flat major ninth chord on Guitar
A-flat major ninth chord on Ukulele
Rowan Ellis is a musician and educator with a passion for exploring the language of harmony and melody. With years of experience across classical, jazz, and contemporary styles, Rowan breaks down music theory into clear, practical insights. His goal is to make chords and scales less intimidating and more inspiring for every musician.