A9 chord on 5-String Bass – Drop A
in Drop A (A-E-A-D-G) 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 |
|---|---|---|---|---|
| 0 3 4 2 4 | – 2 3 1 4 | A G C# E B | medium | |
| x 5 2 5 6 | – 2 1 3 4 | x A B G C# | hard | |
| x 3 4 7 4 | – 1 2 4 3 | x G C# A B | hard | |
| 0 0 4 5 4 | – – 1 2 1 | A E C# G B | easy · barre on fret 4 | |
| 0 7 7 5 6 | – 3 4 1 2 | A B E G C# | medium | |
| 0 7 10 7 6 | – 2 4 3 1 | A B G A C# | hard | |
| 0 9 7 9 0 | – 2 1 3 – | A C# E B G | medium | |
| 0 9 10 9 9 | – 1 2 1 1 | A C# G B E | easy · barre on fret 9 | |
| 0 0 2 5 6 | – – 1 2 3 | A E B G C# | hard | |
| 2 3 4 2 2 | 1 2 3 1 1 | B G C# E A | medium · barre on fret 2 | |
| 4 3 x 7 4 | 2 1 – 4 3 | C# G x A B | hard | |
| 0 5 4 5 4 | – 2 1 3 1 | A A C# G B | easy · barre on fret 4 | |
| 0 7 0 5 6 | – 3 – 1 2 | A B A G C# | medium | |
| 0 7 10 9 6 | – 2 4 3 1 | A B G B C# | hard | |
| 0 7 10 11 9 | – 1 3 4 2 | A B G C# E | hard | |
| 0 9 10 9 0 | – 1 2 1 – | A C# G B G | easy · barre on fret 9 |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for 5-String Bass – Drop A 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.