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Chord chart for G9 / A (4th inversion) Guitar Chord: Notes, Shapes & Bass Note | Guitar Wiz

G9/A guitar shapes

Popular fretboard positions with fingering suggestions

Showing 8 of 143 playable shapes

G9 / A (4th inversion) guitar chord diagram showing fretboard positions
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About the chord

G9 / A (4th inversion)

G9/A is the G9 / A (4th inversion) guitar chord with A in the bass. It uses the notes G, B, D, F, and A and the interval formula 1-3-5-♭7-9.

The G9 dominant 9 chord enriches the dominant 7th by adding a major ninth A, enhancing its tension with a colorful, jazzy flair. This extended harmony adds sophistication, frequently used in jazz, blues, and funk for dynamic progressions. With A in the bass, this voicing functions as the 4th inversion of G9.

Also written as G9 and Gdom9/A.

Root note: G
Bass note: A
Chord tones: 5
Playable shapes: 143

Chord tones

GBDFA

Common guitar voicings

These are quick-start shapes for players who want the answer first and the deeper theory second.

Shape 1

x00001

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  1. 1 Place the 1st finger on the 1st fret of the 1st string.
  2. 2 Strum from the 5th string down.

Shape 2

x03001

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  1. 1 Place the 1st finger on the 1st fret of the 1st string.
  2. 2 Place the 3rd finger on the 3rd fret of the 4th string.
  3. 3 Strum from the 5th string down.

Notes & Intervals

Each note below shows how the chord is built from its root. This is the theory layer underneath the fretboard shapes.

G Unison (Root) 1

The root anchors the chord and defines its tonal center.

B Major Third 3

This note defines the chord's major quality and brings brightness to the sound.

D Perfect Fifth 5

The fifth reinforces stability and gives the chord its strong harmonic frame.

F Minor Seventh ♭7

The minor seventh adds bluesy or jazzy tension that wants to move onward.

A Major Ninth 9

The ninth opens the chord up and adds a modern, spacious color.

Quick answers

What notes are in G9/A?

G9/A uses the notes G, B, D, F, and A. Its interval formula is 1-3-5-♭7-9.

What is another name for G9/A?

G9/A is also written as G9 and Gdom9/A.

How do you play G9/A on guitar?

Place the 1st finger on the 1st fret of the 1st string. Strum from the 5th string down.

Related Articles

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