A9 chord on Mandolin – Open G (GDGD)
in Open G (GDGD) (G-G-D-D-G-G-D-D) tuning
A9
Dominant 9
Notes:A · C# · E · G · B
Piano Left hand Right hand
Fingerings (8)
A9 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 4 4 5 5 6 6 7 7 | 1 1 2 2 3 3 4 4 | B B G G C# C# A A | medium | |
| 0 0 7 7 6 6 9 9 | – – 2 2 1 1 3 3 | G G A A C# C# B B | medium | |
| 4 4 7 7 6 6 5 5 | 1 1 4 4 3 3 2 2 | B B A A C# C# G G | medium | |
| 0 0 9 9 6 6 7 7 | – – 3 3 1 1 2 2 | G G B B C# C# A A | medium | |
| 6 6 5 5 4 4 7 7 | 3 3 2 2 1 1 4 4 | C# C# G G B B A A | medium | |
| 6 6 7 7 0 0 9 9 | 1 1 2 2 – – 3 3 | C# C# A A G G B B | medium | |
| 6 6 7 7 4 4 5 5 | 3 3 4 4 1 1 2 2 | C# C# A A B B G G | medium | |
| 6 6 9 9 0 0 7 7 | 1 1 3 3 – – 2 2 | C# C# B B G G A A | medium |
The A9 chord (Dominant 9) is built from the notes A, C#, E, G, B. Below are playable fingerings for Mandolin – Open G (GDGD) 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.