A9 chord on 6-String Guitar – Open Gm
in Open Gm (D-G-D-G-A#-D) tuning
A9
Dominant 9
Notes:A · C# · E · G · B
Piano Left hand Right hand
Fingerings (16)
A9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 7 4 5 0 3 x | 4 2 3 – 1 – | A B G G C# x | hard | |
| x 2 5 4 3 2 | – 1 4 3 2 1 | x A G B C# E | medium · barre on fret 2 | |
| x x 7 4 3 5 | – – 4 2 1 3 | x x A B C# G | hard | |
| 7 4 5 6 x x | 4 1 2 3 – – | A B G C# x x | medium | |
| 7 6 5 0 x 9 | 3 2 1 – – 4 | A C# G G x B | hard | |
| 7 6 9 6 9 x | 2 1 3 1 4 – | A C# B C# G x | medium · barre on fret 6 | |
| 7 9 9 0 x 11 | 1 2 3 – – 4 | A E B G x C# | hard | |
| 9 9 9 0 11 11 | 1 1 1 – 2 3 | B E B G A C# | medium · barre on fret 9 | |
| 7 4 7 0 3 x | 3 2 4 – 1 – | A B A G C# x | hard | |
| x 2 5 4 3 x | – 1 4 3 2 – | x A G B C# x | medium | |
| 7 x 5 4 3 x | 4 – 3 2 1 – | A x G B C# x | hard | |
| 7 6 5 4 x x | 4 3 2 1 – – | A C# G B x x | medium | |
| 7 6 9 0 x 5 | 3 2 4 – – 1 | A C# B G x G | hard | |
| 7 6 9 0 6 x | 3 1 4 – 2 – | A C# B G E x | medium | |
| 7 9 11 0 x 9 | 1 2 4 – – 3 | A E C# G x B | hard | |
| 11 0 9 9 11 9 | 2 – 1 1 3 1 | C# G B E A B | medium · barre on fret 9 |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 6-String Guitar – Open Gm 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 A9 chord is built
Formula: 1 · 3 · 5 · ♭7 · 9
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| 3 | 4 | C# |
| 5 | 7 | E |
| ♭7 | 10 | G |
| 9 | 14 | B |
More A chords
Other roots
See A9 in another tuning
What notes make up the A9 chord?
A9 is a Dominant 9 chord built from the notes A, C#, E, G, B.
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.