A#9 chord on 12-String Guitar – Open C
in Open C (C-C-G-G-C-C-G-G-C-C-E-E) tuning
A#9
Dominant 9
Notes:A# · D · F · G# · C
Piano Left hand Right hand
Fingerings (16)
A#9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x x 3 3 0 0 1 1 2 2 1 1 | – – 3 3 – – 1 1 2 2 1 1 | x x A# A# C C G# G# D D F F | medium · barre on fret 1 | |
| x x 3 3 2 2 5 5 2 2 4 4 | – – 2 2 1 1 4 4 1 1 3 3 | x x A# A# D D C C D D G# G# | medium · barre on fret 2 | |
| 5 5 5 5 5 5 7 7 8 8 6 6 | 1 1 1 1 1 1 3 3 4 4 2 2 | F F C C F F D D G# G# A# A# | medium · barre on fret 5 | |
| 10 10 x x 0 0 7 7 8 8 6 6 | 4 4 – – – – 2 2 3 3 1 1 | A# A# x x C C D D G# G# A# A# | hard | |
| 10 10 7 7 8 8 7 7 0 0 8 8 | 4 4 1 1 2 2 1 1 – – 3 3 | A# A# D D G# G# D D C C C C | medium · barre on fret 7 | |
| 10 10 x x 0 0 10 10 8 8 10 10 | 2 2 – – – – 3 3 1 1 4 4 | A# A# x x C C F F G# G# D D | hard | |
| x x 3 3 2 2 1 1 0 0 1 1 | – – 4 4 3 3 1 1 – – 2 2 | x x A# A# D D G# G# C C F F | medium | |
| x x 3 3 x x 5 5 2 2 4 4 | – – 2 2 – – 4 4 1 1 3 3 | x x A# A# x x C C D D G# G# | hard | |
| 5 5 5 5 8 8 7 7 5 5 6 6 | 1 1 1 1 4 4 3 3 1 1 2 2 | F F C C G# G# D D F F A# A# | medium · barre on fret 5 | |
| 10 10 x x 8 8 7 7 0 0 6 6 | 4 4 – – 3 3 2 2 – – 1 1 | A# A# x x G# G# D D C C A# A# | hard | |
| 10 10 7 7 8 8 7 7 0 0 10 10 | 3 3 1 1 2 2 1 1 – – 4 4 | A# A# D D G# G# D D C C D D | medium · barre on fret 7 | |
| 10 10 x x 8 8 10 10 0 0 10 10 | 2 2 – – 1 1 3 3 – – 4 4 | A# A# x x G# G# F F C C D D | hard | |
| x x 3 3 0 0 3 3 2 2 4 4 | – – 2 2 – – 3 3 1 1 4 4 | x x A# A# C C A# A# D D G# G# | medium | |
| x x 3 3 2 2 5 5 x x 4 4 | – – 2 2 1 1 4 4 – – 3 3 | x x A# A# D D C C x x G# G# | hard | |
| 5 5 7 7 5 5 5 5 8 8 6 6 | 1 1 3 3 1 1 1 1 4 4 2 2 | F F D D F F C C G# G# A# A# | medium · barre on fret 5 | |
| 10 10 7 7 0 0 x x 8 8 6 6 | 4 4 2 2 – – – – 3 3 1 1 | A# A# D D C C x x G# G# A# A# | hard |
The A#9 chord (Dominant 9) is built from the notes A#, D, F, G#, C. Below are playable fingerings for 12-String Guitar – Open C generated for your selected tuning, ordered from open-position shapes up the neck. Tap a diagram to hear it, or switch to the piano view to see the same harmony on keys.
How the A#9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A# |
| 3 | 4 | D |
| 5 | 7 | F |
| ♭7 | 10 | G# |
| 9 | 14 | C |
More A# chords
Other roots
See A#9 in another tuning
What notes make up the A#9 chord?
A#9 is a Dominant 9 chord built from the notes A#, D, F, G#, C.
How do I read the diagram?
Strings run left to right from the lowest to the first string; the numbers show which finger presses each fret. An ○ marks an open string, an ✕ marks a muted one.