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Dominant family

G dominant ninth chord

G9

G dominant ninth

Piano root position

  • Root
  • 3
  • 5
  • ♭7
  • 9

Guitar standard tuning

Barre · fret 3

Lay your index flat across strings 6 to 2 at fret 3.

EADGBe34567Barre at fret 3GDFBDA

Finger: 1 index, 2 middle, 3 ring, 4 little

Notation treble clef

𝄞

Intervals

12 semitones
  1. G1
  2. ♭2
  3. A9
  4. ♭3
  5. B3
  6. 4
  7. ♭5
  8. D5
  9. ♯5
  10. 6
  11. F♭7
  12. 7
  • G Root
  • B Major 3rd
  • D Perfect 5th
  • F Minor 7th
  • A Major 9th

About this chord

What is a G dominant ninth chord?

G9 is built from 5 notes: G (the root), B (the 3), D (the 5), F (the ♭7), A (the 9). The dominant seventh with a ninth: funky and full.

Notes
G · B · D · F · A
Formula
1 · 3 · 5 · ♭7 · 9
Also written
Gdom9
Found in
Outside the major and minor keys

Neighbours

Chords close to G9

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