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