Hear the Chord

G♭ augmented chord (G♭aug)

G♭aug is G♭, B♭ and D: 1–3–♯5 built on G♭. Below: guitar, piano and ukulele, each playable.

On guitar

××4G♭2B♭3D1G♭

x-x-4-3-3-2 · movable · medium

Notes
G♭ · B♭ · D
Formula
1 · 3 · ♯5
First shape
x-x-4-3-3-2
DG♭B♭

G♭aug on guitar: every shape, finger by finger

On piano

C4C5D5G♭1B♭3

root position · G♭–B♭–D · right hand 1-3-5

Notes
G♭ · B♭ · D
Formula
1 · 3 · ♯5

G♭aug on piano: fingering and inversions

On ukulele

4B♭2D3G♭1B♭

3-2-2-1 · movable · medium

Notes
G♭ · B♭ · D
Formula
1 · 3 · ♯5
First shape
3-2-2-1
DG♭B♭

G♭aug on ukulele: all shapes

Changing out of G♭aug

The moves below are the ones you'll meet most, shown for guitar and piano.

Guitar with a capo: capo 2, Eaug shape; capo 6, Caug shape. Ukulele with a capo: capo 6, Caug shape.

How G♭aug is built

G♭aug is an augmented triad: two major thirds stacked, with a raised fifth. It sounds suspended and dreamlike. Because the major thirds split the octave evenly, G♭aug shares its three notes with B♭aug and Daug.

Count keys (black and white) from G♭: 4 half steps up to B♭ then 4 half steps up to D. F♯aug is the other spelling of the same chord.

NoteRoleHalf stepsHear it
G♭root0
B♭major third4
Daugmented fifth8

Keys and progressions with G♭aug

G♭aug isn't a chord of any major or natural minor key, so it usually appears as a passing or borrowed chord.

Chords close to G♭aug

Chords that share most of their notes with G♭aug: Daug, B♭aug, D, E♭m, F♯, Gm.

Every G♭ chord

G♭ augmented chord: questions

What notes are in the G♭ augmented chord?

G♭, B♭ and D. G♭aug is built 1–3–♯5 from G♭: B♭ is the major third and D is the augmented fifth.

How do you play G♭aug on guitar?

The usual shape is x-x-4-3-3-2 (movable). All 3 guitar shapes.

How do you play G♭aug on piano?

Play G♭, B♭ and D with right-hand fingers 1-3-5. G♭ sits on the first black key of the group of three. Inversions and left hand.

How do you play G♭aug on ukulele?

3-2-2-1 in standard GCEA tuning. More ukulele shapes.

What key is G♭aug in?

G♭aug isn't a chord of any major or natural minor key, so it usually appears as a passing or borrowed chord.

What's the difference between G♭aug and F♯?

G♭aug and F♯ differ by one note: D in G♭aug, C♯ in F♯. They share G♭ and B♭.

All three instruments are drawn and played from G♭, B♭ and D by the same engine. Updated September 2026.