A#9 chord on 12-String Guitar – Half Step Down
in Half Step Down (D#-D#-G#-G#-C#-C#-F#-F#-A#-A#-D#-D#) 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 2 2 1 1 2 2 2 2 x x | – – 2 2 1 1 3 3 4 4 – – | x x A# A# D D G# G# C C x x | medium | |
| x x 2 2 x x 6 6 4 4 5 5 | – – 1 1 – – 4 4 2 2 3 3 | x x A# A# x x C C D D G# G# | hard | |
| 7 7 4 4 4 4 4 4 4 4 5 5 | 3 3 1 1 1 1 1 1 1 1 2 2 | A# A# C C F F A# A# D D G# G# | medium · barre on fret 4 | |
| 7 7 6 6 x x 6 6 0 0 5 5 | 4 4 2 2 – – 3 3 – – 1 1 | A# A# D D x x C C A# A# G# G# | hard | |
| 7 7 6 6 7 7 6 6 7 7 x x | 2 2 1 1 3 3 1 1 4 4 – – | A# A# D D G# G# C C F F x x | medium · barre on fret 6 | |
| 7 7 9 9 7 7 8 8 7 7 9 9 | 1 1 3 3 1 1 2 2 1 1 4 4 | A# A# F F G# G# D D F F C C | medium · barre on fret 7 | |
| x x x x 9 9 8 8 10 10 9 9 | – – – – 2 2 1 1 4 4 3 3 | x x x x A# A# D D G# G# C C | medium | |
| 9 9 9 9 9 9 11 11 10 10 11 11 | 1 1 1 1 1 1 3 3 2 2 4 4 | C C F F A# A# F F G# G# D D | medium · barre on fret 9 | |
| 11 11 12 12 11 11 11 11 12 12 11 11 | 1 1 2 2 1 1 1 1 3 3 1 1 | D D G# G# C C F F A# A# D D | easy · barre on fret 11 | |
| x x 0 0 1 1 4 4 2 2 2 2 | – – – – 1 1 4 4 2 2 3 3 | x x G# G# D D A# A# C C F F | medium | |
| x x 6 6 x x 4 4 2 2 5 5 | – – 4 4 – – 2 2 1 1 3 3 | x x D D x x A# A# C C G# G# | hard | |
| 7 7 4 4 4 4 6 6 4 4 5 5 | 4 4 1 1 1 1 3 3 1 1 2 2 | A# A# C C F F C C D D G# G# | medium · barre on fret 4 | |
| 7 7 6 6 x x 6 6 x x 5 5 | 4 4 2 2 – – 3 3 – – 1 1 | A# A# D D x x C C x x G# G# | hard | |
| 7 7 6 6 7 7 6 6 0 0 7 7 | 2 2 1 1 3 3 1 1 – – 4 4 | A# A# D D G# G# C C A# A# A# A# | medium · barre on fret 6 | |
| 7 7 9 9 7 7 8 8 0 0 9 9 | 1 1 3 3 1 1 2 2 – – 4 4 | A# A# F F G# G# D D A# A# C C | medium · barre on fret 7 | |
| 9 9 0 0 9 9 8 8 0 0 9 9 | 2 2 – – 3 3 1 1 – – 4 4 | C C G# G# A# A# D D A# A# C C | medium |
The A#9 chord (Dominant 9) is built from the notes A#, D, F, G#, C. Below are playable fingerings for 12-String Guitar – Half Step Down 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.