G augmented major 7th chord on ukulele (GaugMaj7)

Also called or written GaugMaj7, GaugM7, G+M7, GM7#5, Gmaj+7, G augmented major seventh or G major seventh sharp five

G augmented major 7th contains G, B, D♯, and F♯. The open voicing at frets 0–3–2–2 is the easiest way to play this advanced chord.

GD♯F♯BGCEA
Positions on the neck1 of 3
Practice G augmented major 7th chord

How it is built

GRootBMajor thirdD♯Augmented fifthF♯Major seventh

Formula 1, 3, ♯5, 7

Inversions

How do you play a G augmented major 7th chord on ukulele?

G augmented major 7th is played in open position as 0 3 2 2: ring finger on the C string at fret 3, index finger on the E string at fret 2 and middle finger on the A string at fret 2. The G string rings open.

Full note and interval breakdown
StringFretFingerNote
4 (G)openG (1)
3 (C)33D♯ (♯5)
2 (E)21F♯ (7)
1 (A)22B (3)

AdvancedThe ring finger must hold fret 3 on the C string while the index and middle fingers stay on fret 2 without muting the open G string.

7th fret

G augmented major 7th is played at the 7th fret as 8 7 7 9: ring finger on the G string at fret 8, index finger on the C string at fret 7, middle finger on the E string at fret 7 and pinky finger on the A string at fret 9.

Full note and interval breakdown
StringFretFingerNote
4 (G)83D♯ (♯5)
3 (C)71G (1)
2 (E)72B (3)
1 (A)94F♯ (7)

GaugM7/B inversion

G augmented major 7th is played at the 10th fret as 11 11 11 10: middle finger on the G string at fret 11, ring finger on the C string at fret 11, pinky finger on the E string at fret 11 and index finger on the A string at fret 10.

Full note and interval breakdown
StringFretFingerNote
4 (G)112F♯ (7)
3 (C)113B (3)
2 (E)114D♯ (♯5)
1 (A)101G (1)

Why it sounds like that

G augmented major 7th is built from 1, 3, ♯5, and 7. The augmented 5th, D♯, gives the chord its tense, bright quality. Compare with G major 7th, which has a perfect 5th.

What goes wrong with G augmented major 7th?

  • Letting the ring finger touch the G string and mute it.
  • Not pressing the index finger firmly enough on the E string, causing a buzz.
  • Accidentally fretting the G string with the palm.

When to use it

G augmented major 7th works as a passing chord in G major, often resolving to G major 7th. Use it in jazz and fusion for its bright, unstable color.

Changing to and from G augmented major 7th

  • Sliding the shape down two frets to the 5th fret gives F augmented major 7th.
  • Sliding the shape up one fret to the 7th fret gives A♭ augmented major 7th.

Which voicing to use

The open voicing has G in the bass, giving a grounded root sound. The D♯ inversion at frets 8–7–7–9 puts the augmented 5th in the bass for a more dissonant, floating feel.

Other G chords

Common questions

How is G augmented major 7th written?

G augmented major 7th is written as G+M7, M7#5, maj+7, or GaugM7. It is also called augmented major seventh or major seventh sharp five.

What is the difference between G augmented major 7th and G major 7th?

G major 7th has a perfect 5th, D, while G augmented major 7th raises that note to D♯. This change creates the augmented quality and a more dissonant sound.

Why is the G string left open?

The open G string is the root note, so it is allowed to ring. It provides a solid bass foundation for the chord.