G Dominant 9th
G9
Notes
G · B · D · F · A
Intervals
- RootG (1P)
- Major 3rdB (3M)
- Perfect 5thD (5P)
- Minor 7thF (7m)
- Major 9thA (9M)
Fretboard
Adjust labels, frets, and palette in the interactive view.
Voicings & shapes
Rootless voicings (A / B form) (4)
About
The G9 dominant ninth (G–B–D–F–A) extends a dominant 7 with a ninth. The A adds brightness and harmonic richness without affecting the chord’s dominant function — the tritone between B and F is still present and still drives resolution to C. The 3rd and ♭7 remain essential; the 5th is routinely dropped on guitar to make room for the 9th without creating a muddy cluster. Common in funk, jazz, and blues as a more colorful version of the dominant 7. Compared to G7, the 9th adds shimmer and modernity; the resolution tendency is identical.
Chord diagrams
G Dominant 9th voicing charts — tap a sheet to open it full size to save or print.
Similar chords
Chords sharing two or more notes with this one, ranked by overlap.
Scales containing this chord
- G Mixolydian (I)
- A Natural Minor (VII)
- B Locrian (VI)
- C Major (V)
- C Melodic Minor (V)
- D Dorian (IV)
- D Melodic Minor (IV)
- E Phrygian (III)
- F Lydian (II)
Scales whose notes include every chord tone. The Roman numeral (or scale degree) marks the chord root’s position in the scale.