Ab dominant 7th chord on piano
The Ab dominant 7th chord is Ab–C–Eb–Gb. It's the same chord as G#: one sound, two spellings. Tap the keys below to hear it.
Ab7Ab · C · Eb · Gb
Tap the keys to hear them
Ab7 pulls down a fifth to Db, a staple move in jazz and soul progressions. The shape sits on three black keys with C as its only white note.
How the Ab dominant 7th chord is built
G# is the same chord. Which spelling a piece uses depends on its key signature. On the keyboard, the keys you press are identical.
Fingerings & inversions
Standard fingerings use the thumb (1), the little finger (5), and either the index (2) or middle finger (3). Hand size and musical context change what feels natural. Switch Fingers on above to see 1-2-3-5 land for Ab7.
| Position | Notes (bottom → top) | Right hand | Left hand |
|---|---|---|---|
| Root position | Ab – C – Eb – Gb | 1-2-3-5 | 5-3-2-1 |
| 1st inversion | C – Eb – Gb – Ab | 1-2-4-5 | 5-4-2-1 |
| 2nd inversion | Eb – Gb – Ab – C | 1-2-3-5 | 5-3-2-1 |
| 3rd inversion | Gb – Ab – C – Eb | 1-2-4-5 | 5-3-2-1 |
Inversion diagrams
The inversion buttons above play all 4 shapes of Ab7.
Where Ab7 shows up
Ab7 exists to point at Db: the tritone between its third and its seventh, C against Gb, resolves outward into the Db triad.
Hear it drive a 12-bar blues in Ab: Ab7–Db7–Eb7.
Common questions
What notes are in the Ab dominant 7th chord?
The Ab dominant 7th chord is made up of Ab, C, Eb, Gb. Ab is the black key between G and A, and starting the chord there shifts the whole hand slightly back on the keyboard.
What fingers should I use to play Ab7 on piano?
In root position, the standard fingering is 1-2-3-5 in the right hand and 5-3-2-1 in the left hand (1 = thumb, 5 = little finger). Ab and Eb and Gb keep the hand up on the black keys, with C in between, so let the fingers sit deep in the cluster for a secure reach.
Is Ab dominant 7th the same as G#?
Yes, the keys you press are identical and the sound is the same. This is known as enharmonic equivalents. Sheet music in flat keys writes Ab dominant 7th, while sharp-key contexts spell the same sound G#. In print and in search, Ab dominant 7th is by far the more common of the two.
What's the difference between Ab7 and Abmaj7?
Ab7 has a minor 7th on top, Gb, which makes it sound restless and ready to resolve. Abmaj7 raises that note a half step, which sounds settled and warm instead. Same Ab–C–Eb triad underneath, one note apart, very different jobs.
More Ab chords
Reviewed by
Composer, arranger and music educator. BA Music (LIPA), MA Composition (University of Salford).
Last updated 2026-08-19