A7 chord on 4-String Bass – Drop C
in Drop C (C-G-C-F) tuning
A7
Dominant 7
Notes:A · C# · E · G
Piano Left hand Right hand
Fingerings (16)
A7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 2 1 2 | – 2 1 3 | x A C# G | easy | |
| 4 6 7 4 | 1 2 3 1 | E C# G A | medium · barre on fret 4 | |
| 9 6 7 8 | 4 1 2 3 | A C# G C# | medium | |
| 9 9 7 8 | 3 4 1 2 | A E G C# | medium | |
| 9 12 9 8 | 2 4 3 1 | A G A C# | hard | |
| 1 2 1 2 | 1 2 1 3 | C# A C# G | easy · barre on fret 1 | |
| 7 6 4 4 | 4 3 1 2 | G C# E A | medium | |
| 9 6 7 x | 3 1 2 – | A C# G x | medium | |
| 9 x 7 8 | 3 – 1 2 | A x G C# | hard | |
| 9 0 9 8 | 2 – 3 1 | A G A C# | easy | |
| 1 0 4 4 | 1 – 2 3 | C# G E A | medium | |
| 7 6 7 4 | 3 2 4 1 | G C# G A | medium | |
| 7 6 9 8 | 2 1 4 3 | G C# A C# | medium | |
| 7 9 9 8 | 1 3 4 2 | G E A C# | medium | |
| x 0 9 8 | – – 2 1 | x G A C# | easy | |
| 4 0 1 4 | 2 – 1 3 | E G C# A | medium |
The A7 chord (Dominant 7) is built from the notes A, C#, E, G. Below are playable fingerings for 4-String Bass – Drop C 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 A7 chord is built
Formula: 1 · 3 · 5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | A |
| 3 | 4 | C# |
| 5 | 7 | E |
| ♭7 | 10 | G |
More A chords
Other roots
See A7 in another tuning
What notes make up the A7 chord?
A7 is a Dominant 7 chord built from the notes A, C#, E, G.
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.