G Major 9th

Gmaj9

Notes

G · B · D · F# · A

Intervals

  • RootG (1P)
  • Major 3rdB (3M)
  • Perfect 5thD (5P)
  • Major 7thF# (7M)
  • Major 9thA (9M)

Fretboard

EBGDAE357912F#GABDBDF#GABGABDF#GDF#GABDABDF#GAF#GABD

About

The G major 9th (G–B–D–F♯–A) extends a maj7 with a ninth. The result combines the gentle shimmer of the major-7 interval with the openness of the A. The 3rd, 7th, and 9th are the essential tones — the 5th is typically dropped on guitar, since it adds little harmonic information and clutters the voicing. Common in jazz and R&B as a tonic or subdominant color. Compared to GMaj7, maj9 feels more expansive and less static; the added 9th breathes air into the chord without introducing tension. Compared to G6/9, it is more harmonically active because of the 7th.

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