Piano chord · Ninths

A♭ dominant 9th chord on piano

Right hand: A♭ (1), C (2), E♭ (3), G♭ (4), B♭ (5)

How to play A♭9 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.

A dominant 7th with an added 9th — funky and full.

Spell as G♯9
Notes
A♭CE♭G♭B♭
Formula
135♭79
Built from
root · major 3rd · perfect 5th · minor 7th · major 9th

Piano

Root position · numbers are finger numbers

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How to play it

Right handA♭1 · thumbC2 · indexE♭3 · middleG♭4 · ringB♭5 · pinky

Left handA♭5 · pinkythe root, an octave lower

Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.

Tips for playing A♭9 on piano

On piano, A♭9 has four black keys (A♭, E♭, G♭ and B♭) and one white key. In root position it spans more than an octave, so many pianists play the root with the left hand and the rest with the right.

A♭9 piano chord diagram (A♭ dominant 9th)
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