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Guitar chord · Dominant 9th

A9 chord (A Dominant 9th)

Funky, rich dominant chord staple in James Brown funk, R&B, and blues.

Notes AC#EGB
Formula 1 3 5 ♭7 9
Shapes 1 on this page

A9 chord shapes

Tap a diagram to strum it. Numbers are fingers: 1 index, 2 middle, 3 ring, 4 pinky. Blue dots are the root, A.

5th String Root Funk 9th x 12 11 12 12 12

Interactive chord diagram

A9 on the fretboard

STR OP 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 E A D G B E

Tap any note to hear it.

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Questions

What notes are in a A9 chord?
A9 is A, C#, E, G, B: the 1, 3, 5, ♭7, 9 of A.
How do you play A9 on guitar?
5th String Root Funk 9th: x 12 11 12 12 12 (low E to high E, x = don't play the string).

Dominant 9th chords in every key

More A chords