A♭aug

Ab Augmented — a raised fifth pushes this triad upward — a classic passing colour between stable chords.

The keys
C4C5C6
A♭ – C – E
What's inside A♭aug
NoteInterval from rootDegree
A♭Root1
CMajor 3rd3
EAugmented 5th#5
Inversions
PositionKeys (low → high)
Root positionA♭4 – C5 – E5
1st inversionC5 – E5 – A♭5
2nd inversionE5 – A♭5 – C6
A working voicing

Split the chord between two hands the way working players do — a solid shell low down, the colour tones up top:

HandKeys
Left (shell)A♭2 – A♭3
Right (colour)C5 – E5
Where A♭aug lives

As the I chord

A♭aug → D♭ → E♭ → A♭aug

The classic I–IV–V–I motion with this chord as home.

In a ii–V–I

B♭m7 → E♭7 → A♭aug

The strongest cadence in harmony, resolving onto this chord.

Put A♭aug under your fingers

Hear every voicing, see the keys light up, and drill it in the interactive Chord & Voicing Lab.

Open the Chord & Voicing Lab →