A9 chord on 6-String Guitar – Drop D
in Drop D (D-A-D-G-B-E) 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 |
|---|---|---|---|---|
| x 0 2 4 2 3 | – – 1 3 1 2 | x A E B C# G | medium · barre on fret 2 | |
| 2 2 2 2 2 3 | 1 1 1 1 1 2 | E B E A C# G | easy · barre on fret 2 | |
| 7 4 x 4 x 3 | 4 2 – 3 – 1 | A C# x B x G | hard | |
| 7 4 5 4 0 0 | 3 1 2 1 – – | A C# G B B E | medium · barre on fret 4 | |
| 7 0 5 6 5 7 | 3 – 1 2 1 4 | A A G C# E B | medium · barre on fret 5 | |
| x 0 7 6 8 7 | – – 2 1 4 3 | x A A C# G B | medium | |
| 7 7 7 0 0 9 | 1 1 1 – – 2 | A E A G B C# | medium · barre on fret 7 | |
| x 0 9 9 8 9 | – – 2 3 1 4 | x A B E G C# | medium | |
| 9 0 9 0 0 9 | 1 – 2 – – 3 | B A B G B C# | easy | |
| 11 0 11 0 12 12 | 1 – 2 – 3 4 | C# A C# G B E | medium | |
| x 0 5 4 2 0 | – – 3 2 1 – | x A G B C# E | medium | |
| x 2 2 2 2 3 | – 1 1 1 1 2 | x B E A C# G | easy · barre on fret 2 | |
| x 4 7 4 x 3 | – 2 4 3 – 1 | x C# A B x G | hard | |
| 7 4 5 4 5 0 | 4 1 2 1 3 – | A C# G B E E | medium · barre on fret 4 | |
| x 0 5 6 5 7 | – – 1 2 1 3 | x A G C# E B | medium · barre on fret 5 | |
| x x 7 6 8 7 | – – 2 1 4 3 | x x A C# G B | medium |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 6-String Guitar – Drop D 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.