G minor major 7th chord on bass (GmMaj7)

Also called or written GmMaj7, Gminmaj7, Gmmaj7, GmM7, G Minor Sharp 7 or G Minor ♯7

G minor major 7th is built from G, B♭, D and F♯. The 3rd-fret shape demands a wide pinky stretch, so it is not a first chord.

3frGDF♯B♭EADG
Positions on the neck1 of 3
Practice G minor major 7th chord

How it is built

GRootB♭Minor thirdDPerfect fifthF♯Major seventh

Formula 1, ♭3, 5, 7

Inversions
  • Root positionG–B♭–D–F♯GmMaj73-5-4-3
  • First inversionB♭–D–F♯–GGmMaj7/B♭no shape on this instrument
  • Second inversionD–F♯–G–B♭GmMaj7/Dno shape on this instrument
  • Third inversionF♯–G–B♭–DGmMaj7/F♯2-1-0-0

How do you play a G minor major 7th chord on bass?

G minor major 7th is played at the 3rd fret as 3 5 4 3: index finger on the E string at fret 3, pinky finger on the A string at fret 5, ring finger on the D string at fret 4 and middle finger on the G string at fret 3.

Full note and interval breakdown
StringFretFingerNote
4 (E)31G (1)
3 (A)54D (5)
2 (D)43F♯ (7)
1 (G)32B♭ (♭3)

AdvancedThe pinky must reach the 5th fret on the A string while the index holds the 3rd fret on the E string.

Gminmaj7/F♯ inversion · open position

G minor major 7th is played in open position as 2 1 0 0: middle finger on the E string at fret 2 and index finger on the A string at fret 1. The D and G strings ring open.

Full note and interval breakdown
StringFretFingerNote
4 (E)22F♯ (7)
3 (A)11B♭ (♭3)
2 (D)openD (5)
1 (G)openG (1)

Gminmaj7/F♯ inversion · fret 12

G minor major 7th is played at the 12th fret as 14 13 12 12: pinky finger on the E string at fret 14, ring finger on the A string at fret 13, index finger on the D string at fret 12 and middle finger on the G string at fret 12.

Full note and interval breakdown
StringFretFingerNote
4 (E)144F♯ (7)
3 (A)133B♭ (♭3)
2 (D)121D (5)
1 (G)122G (1)

Why it sounds like that

G minor major 7th is built from the formula 1, ♭3, 5, 7. The ♭3 gives it the minor quality, while the major 7th adds a sharp, tense edge. Compare with G minor, which stops at the ♭7.

What goes wrong with G minor major 7th?

  • Letting the pinky collapse so the 5th fret on the A string buzzes.
  • Arching the middle finger onto the D string, deadening the 4th fret.
  • Rushing the stretch so the index finger slides sharp from the 3rd fret.

When to use it

G minor major 7th works as a passing chord in minor keys, often between G minor and A minor 7th flat 5th. It suits jazz ballads and film-noir textures where the major 7th adds a bittersweet lift.

Changing to and from G minor major 7th

  • Sliding the shape down two frets to the 1st fret gives F minor major 7th.
  • Sliding the shape up one fret to the 4th fret gives A♭ minor major 7th.

Which voicing to use

The 3rd-fret voicing puts G in the bass for a clear root position. The F♯ inversion at the 2nd fret places the major 7th in the bass, creating a darker, more unstable sound.

Other G chords

Common questions

How is G minor major 7th written?

G minor major 7th is written Gmmaj7, mmaj7, mM7 or Gminmaj7. It is also called Minor Sharp 7 or Minor ♯7.

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

G minor major 7th has a major 7th (F♯), while G minor 7th has a minor 7th (F). The major 7th creates a sharper, more dissonant sound.

Can G minor major 7th be used as a tonic chord?

Yes, in G harmonic minor or G melodic minor, G minor major 7th is the tonic chord. It provides a strong sense of resolution with a distinctive color.