A♭9 piano chord (A♭ dominant 9th)

A♭ – C – E♭ – G♭ – B♭

Formula 1 – 3 – 5 – ♭7 – 9

CA♭E♭G♭B♭

A♭9 inversions

An inversion keeps the same notes but puts a different one at the bottom. Use them to move to the next chord with the smallest hand movement.

Root position A♭9

A♭ – C – E♭ – G♭ – B♭

CA♭E♭G♭B♭

1st inversion A♭9/C

C – E♭ – G♭ – B♭ – A♭

CE♭G♭A♭B♭

2nd inversion A♭9/E♭

E♭ – G♭ – B♭ – A♭ – C

CE♭G♭A♭B♭

3rd inversion A♭9/G♭

G♭ – B♭ – A♭ – C – E♭

CG♭A♭B♭E♭

4th inversion A♭9/B♭

B♭ – A♭ – C – E♭ – G♭

CA♭B♭E♭G♭

A♭9 chord questions

What notes are in the A♭ dominant 9th chord?

A♭9 is A♭, C, E♭, G♭, B♭. Its formula is 1 – 3 – 5 – ♭7 – 9, counted from the root A♭.

How do you play A♭9 on piano?

With the right hand in root position, play A♭–C–E♭–G♭–B♭ using all five fingers (1–5) (thumb on A♭). The full five-note shape spans more than an octave, so pianists usually play the root A♭ in the left hand and C–E♭–G♭–B♭ in the right.

What are the inversions of A♭9?

Root position: A♭–C–E♭–G♭–B♭; 1st inversion: C–E♭–G♭–B♭–A♭; 2nd inversion: E♭–G♭–B♭–A♭–C; 3rd inversion: G♭–B♭–A♭–C–E♭; 4th inversion: B♭–A♭–C–E♭–G♭.