The A-flat added ninth chord is a bright and harmonically rich chord composed of the notes A♭, C, E♭, and B♭. By adding the ninth (B♭) to the standard A♭ major triad, this chord introduces a subtle yet vibrant extension that enhances its melodic and harmonic appeal. Commonly used in jazz, pop, and contemporary music, the A-flat added ninth chord provides a sense of openness and sophistication, allowing musicians to create smooth, expressive progressions that maintain both clarity and emotional depth.
Name: A-flat added ninth chord
Symnonyms:: A-flat added second chord
Notes: A♭, C, E♭, B♭
Intervals: 1, 3, 5, 9
Chord symbol: A♭add9
Alternative symbols: A♭(add9), A♭add2, A♭(add2)
Type: Tetrad (four-note chord)
A-flat added ninth chord on the Staff
A-flat added ninth chord on Piano
A-flat added ninth chord on Guitar
A-flat added 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.
