Ab Augmented Piano Chord

The Ab Augmented chord contains the notes Ab, C, E, built from the intervals 1 – 3 – #5.

Chord formula

1 – 3 – #5

Active voicing: Ab – C – E

Default voicing. Notes Ab, C, E.

G# aug

C
D
E
F
G
A
B
C
D
E
F
G
A
B
Db
Eb
Gb
Ab
Bb
Db
Eb
Gb
Ab
Bb
Notes
Ab, C, E
Intervals
1, 3, #5
Also known as
G#aug, G#+

Chord inversions

Practice Chords in Ab

Related chords

Not sure which chord you are playing?

Play the notes on a piano or MIDI keyboard and the Reverse Chord Finder identifies the chord, its inversion, and any slash-chord name.

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Related learning

How it is built

Ab augmented raises the fifth of the major triad by a half step, creating a symmetrical chord built entirely from major thirds. That symmetry means every note can be heard as the root.

Common musical function

Augmented chords create restless, unresolved tension — often used as a passing chord between a major triad and its neighbor, or to add drama right before a resolution.

Beginner practice advice

Practice Ab in root position until the shape feels automatic. Use the audio button to check your voicing, and drill short changes to neighboring chords in the same key.

Moving into and out of the chord

Look for shared notes with nearby chords in the key — keeping a finger on a common tone makes changes smoother. Ab Major and Ab augmented 7 are good starting points for short practice loops — see the full related chords list below for more.

FAQ

What notes are in a Ab Augmented chord?
A Ab Augmented piano chord uses the notes Ab, C, E.
How do I practice Ab on piano?
Start in root position, listen with the audio button, and practice short changes to related chords in the same key.
Can I explore Ab in every key?
Yes. Open the Interactive Chord Explorer to transpose this chord quality across all twelve roots, or use Practice Mode to drill changes in time.

Ready to practice Ab Augmented Piano Chord?

Use Go Practice to drill chord changes with a metronome and build muscle memory in this key.