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

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  1. Chords
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  3. G
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  5. m9

G minor 9th (Gm9)

GRoot
B♭min 3
DPerf 5
Fmin 7
A9

Smooth and sophisticated. Minor 7 with added 9th. Essential in jazz for mellow, rich harmonic color.

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

How to play it

EADGBe234112345

Gm9

G minor 9th, Open

Bass
G, the root
Root
G
Strings
E A D G B e · open
  • GRoot
  • B♭m3
  • DP5
  • Fm7
  • A9

Up the neck

6 voicings, same five notes

Why a minor 9th chord sounds the way it does

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

Stacked from 4 intervals.

04

Where to go next

More G chords

Same root, other colours

Gm7Gm6GmM7Gm11

Chords in the key of G minor

What Gm9 usually sits next to

i · Gmii° · A°III · B♭iv · Cmv · DmVI · E♭VII · F

Close relatives

Relatives of G minor

  • B♭Relative major of G minor
  • GParallel major, raise the 3rd

Other m9 chords

Same quality, every root

Cm9C♯m9Dm9E♭m9Em9Fm9F♯m9Gm9A♭m9Am9B♭m9Bm9
01

Root

G
02

Quality

m9

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

Alterations need a 7th chord. Try G7 →

Why a minor 9th chord sounds the way it does

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

Stacked from 4 intervals.

03

How to play it

EADGBe234112345

Gm9

G minor 9th, Open

Bass
G, the root
Root
G
Strings
E A D G B e · open
  • GRoot
  • B♭m3
  • DP5
  • Fm7
  • A9

Up the neck

6 voicings, same five notes
04

Where to go next

More G chords

Same root, other colours

Gm7Gm6GmM7Gm11

Chords in the key of G minor

What Gm9 usually sits next to

i · Gmii° · A°III · B♭iv · Cmv · DmVI · E♭VII · F

Close relatives

Relatives of G minor

  • B♭Relative major of G minor
  • GParallel major, raise the 3rd

Other m9 chords

Same quality, every root

Cm9C♯m9Dm9E♭m9Em9Fm9F♯m9Gm9A♭m9Am9B♭m9Bm9
G minor 9th