Gaug

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

The keys
C4C5C6
G – B – D♯
What's inside Gaug
NoteInterval from rootDegree
GRoot1
BMajor 3rd3
D♯Augmented 5th#5
Inversions
PositionKeys (low → high)
Root positionG4 – B4 – E♭5
1st inversionB4 – E♭5 – G5
2nd inversionE♭5 – G5 – B5
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)G2 – G3
Right (colour)B4 – E♭5
Where Gaug lives

As the I chord

Gaug → C → D → Gaug

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

In a ii–V–I

Am7 → D7 → Gaug

The strongest cadence in harmony, resolving onto this chord.

Put Gaug 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 →