How to play A#7b9: a dominant 7th flat 9 built on A#, with 1 voicing, the notes, and the intervals.
The first diagram is a common voicing: played at the first few frets. 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 | G# | B |
|---|---|---|---|---|
| Interval | R | 3 | b7 | b9 |
A#7b9 is a dominant 7th flat 9 with A# as its root. The full theoretical spelling is A#, Cx, E#, G#, B. This voicing omits the 5th, the tone guitarists drop first when fitting a chord onto six strings.
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