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