How to play A9: a dominant 9th built on A, with 2 voicings, the notes, and the intervals.
The first diagram is a common voicing: an open-position shape using 1 open string, played near the nut. An X above a string means don't play it; an O means play it open.
The same chord in other positions on the neck: movable shapes transposed to A. Open any of them in the Diagram Maker below to adjust the fingering.
| Note | A | C# | E | G | B |
|---|---|---|---|---|---|
| Interval | R | 3 | 5 | b7 | 9 |
A9 is a dominant 9th with A as its root. The full theoretical spelling is A, C#, E, G, B. This voicing sounds every chord tone.
All tools are free with no download. Customize the fingering, print it, or drop it straight into a chart.
🤲 Play A9 a way we don't show? Suggest your voicing and it may join the library (with a thank-you in your inbox).