How to play A#9: a dominant 9th built on A#, with 6 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# | Cx | E# | G# | B# |
|---|---|---|---|---|---|
| Interval | R | 3 | 5 | b7 | 9 |
A#9 is a dominant 9th with A# as its root. The full theoretical spelling is A#, Cx, E#, G#, B#. This voicing sounds every chord tone.
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