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An interactive reference for guitar chord shapes, voicings and the theory behind them.

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  1. Chords
  2. /
  3. G
  4. /
  5. 9

G 9th (G9)

GRoot
BMaj 3
DPerf 5
Fmin 7
A9

Rich and bluesy. Dominant 7 with added 9th. Common in jazz, blues, and R&B for sophisticated harmony.

Notes
GBDFA
Formula
1 · 3 · 5 · ♭7 · 9
Type
Extended chord
03

How to play it

EADGBe3112345

G9

G 9th, Open

Bass
G, the root
Root
G
Strings
E A D G B e · open
  • GRoot
  • BM3
  • DP5
  • Fm7
  • A9

Up the neck

6 voicings, same five notes

Why a 9th chord sounds the way it does

G+4 fretsB+3 fretsD+3 fretsF+4 fretsA

Stacked from 4 intervals.

04

Where to go next

More G chords

Same root, other colours

Gmaj7G7Gadd9G6Gsus2Gsus4Gmaj9G6/9

Chords in the key of G

What G9 usually sits next to

I · Gii · Amiii · BmIV · CV · Dvi · Emvii° · F♯°

Close relatives

Relatives of G major

  • EmRelative minor of G major
  • GmParallel minor, lower the 3rd

Other 9 chords

Same quality, every root

C9C♯9D9E♭9E9F9F♯9G9A♭9A9B♭9B9
01

Root

G
02

Quality

9

5+ notes: stack the 9th, 11th or 13th on a 7th chord.

Why a 9th chord sounds the way it does

G+4 fretsB+3 fretsD+3 fretsF+4 fretsA

Stacked from 4 intervals.

03

How to play it

EADGBe3112345

G9

G 9th, Open

Bass
G, the root
Root
G
Strings
E A D G B e · open
  • GRoot
  • BM3
  • DP5
  • Fm7
  • A9

Up the neck

6 voicings, same five notes
04

Where to go next

More G chords

Same root, other colours

Gmaj7G7Gadd9G6Gsus2Gsus4Gmaj9G6/9

Chords in the key of G

What G9 usually sits next to

I · Gii · Amiii · BmIV · CV · Dvi · Emvii° · F♯°

Close relatives

Relatives of G major

  • EmRelative minor of G major
  • GmParallel minor, lower the 3rd

Other 9 chords

Same quality, every root

C9C♯9D9E♭9E9F9F♯9G9A♭9A9B♭9B9
G 9th