Ninths

G dominant 9th chord

A dominant 7th with an added 9th — funky and full.

Notes
GBDFA
Formula
135♭79
Built from
root · major 3rd · perfect 5th · minor 7th · major 9th

How to play G9

About the G dominant 9th chord

Playing it

On guitar, G9 is one of the friendlier shapes: 300001 needs just two fingers and lets the open strings ring.

On piano, G9 sits entirely on white keys. In root position it spans more than an octave, so many pianists play the root with the left hand and the rest with the right.

On ukulele the usual G9 shape is 4210, using three fingers. It leaves out the root, which a bass player (or your ear) fills in.

Related chords

Move a single note and G9 becomes a different chord: drop the A for G7, drop the F for Gadd9, raise F to F♯ for Gmaj9 and lower B to B♭ for Gm9.

G9 chord (G dominant 9th) on guitar, ukulele and piano
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