Piano chord · also written G♯7♯5

A♭ Augmented 7th Piano Chord (A♭7♯5)

The A♭ Augmented 7th chord on piano is made of the notes A♭, C, E and G♭. Bold and unresolved. An augmented triad with a dominant 7th.

A♭ Augmented 7th chord on a piano keyboard: A♭, C, E, G♭ C5C6 A♭ C E G♭

A♭7♯5 A♭ – C – E – G♭

Tap any key to hear it.

Name any chord from its keys in the chord finder →

What notes are in A♭ Augmented 7th?

4 notes, built 1 – 3 – ♯5 – ♭7 up from A♭.

Notes
A♭ – C – E – G♭
Formula
1 – 3 – ♯5 – ♭7
Semitones from the root
0 – 4 – 8 – 10
Symbol
A♭7♯5
Same keys as
G♯7♯5 (G♯ – B♯ – E – F♯)
Chord type
Augmented 7th, 4 notes

How to play A♭ Augmented 7th on piano

  • Right hand: A♭ (1), C (2), E (3), G♭ (5). Fingers 1 – 2 – 3 – 5, thumb on A♭.
  • Left hand: A♭ (5), C (3), E (2), G♭ (1). Fingers 5 – 3 – 2 – 1, little finger on A♭.

Fingers are numbered 1 (thumb) to 5 (little finger) on both hands.

Advertisement

A♭ Augmented 7th inversions

Each inversion puts a different note of the chord in the bass. Written as a slash chord: A♭7♯5/C, A♭7♯5/E, A♭7♯5/G♭.

A♭ Augmented 7th root position on piano: A♭, C, E, G♭ A♭ C E G♭
Root position A♭7♯5 A♭ – C – E – G♭ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
A♭ Augmented 7th 1st inversion on piano: C, E, G♭, A♭ C E G♭ A♭
1st inversion A♭7♯5/C C – E – G♭ – A♭ RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
A♭ Augmented 7th 2nd inversion on piano: E, G♭, A♭, C E G♭ A♭ C
2nd inversion A♭7♯5/E E – G♭ – A♭ – C RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1
A♭ Augmented 7th 3rd inversion on piano: G♭, A♭, C, E G♭ A♭ C E
3rd inversion A♭7♯5/G♭ G♭ – A♭ – C – E RH 1 – 2 – 3 – 5 · LH 5 – 3 – 2 – 1

Progressions with A♭ Augmented 7th

Press play: the chords move across the keyboard as they sound, voiced so your hand barely moves.

Altered dominant

in D♭ major

  1. ii7 E♭m7
  2. V7♯5 A♭7♯5
  3. Imaj7 D♭maj7
Altered dominant in D♭ major: E♭m7, A♭7♯5, D♭maj7 D♭ E♭ G♭ B♭

Blues turnaround

in D♭ major

  1. I7 D♭7
  2. IV7 F♯7
  3. V7♯5 A♭7♯5
  4. I7 D♭7
Blues turnaround in D♭ major: D♭7, F♯7, A♭7♯5, D♭7 C♭ D♭ F A♭

Can you find A♭ Augmented 7th?

Tap the notes on the keyboard, then check. Six chords, starting with this one.

1 / 6 Tap the notes of A♭ Augmented 7th (A♭7♯5)

Score 0

Any octave, any order. Each key you tap plays.

Practice keyboard: tap the notes of the chord

A♭ Augmented 7th chord FAQ

What notes are in the A♭ Augmented 7th chord?

A♭ Augmented 7th (A♭7♯5) has 4 notes: A♭, C, E and G♭. Its formula is 1 – 3 – ♯5 – ♭7, counted up from A♭.

How do you play A♭ Augmented 7th on the piano?

Put your right thumb on A♭ and play A♭, C, E and G♭ with fingers 1 – 2 – 3 – 5. With the left hand, use fingers 5 – 3 – 2 – 1, little finger on A♭.

Is A♭ Augmented 7th the same as G♯ Augmented 7th?

On the piano, yes: G♯7♯5 (G♯, B♯, E, F♯) uses exactly the same keys as A♭7♯5 (A♭, C, E, G♭). Which name is used depends on the key of the piece; A♭7♯5 is the more common spelling.

What are the inversions of A♭ Augmented 7th?

1st inversion: C, E, G♭, A♭ (A♭7♯5/C). 2nd inversion: E, G♭, A♭, C (A♭7♯5/E). 3rd inversion: G♭, A♭, C, E (A♭7♯5/G♭).