C7 chord on 6-String Guitar – Open A 2
in Open A 2 (E-A-E-A-C#-E) tuning · Also known as Slide A
C7
Dominant 7
Notes:C · E · G · A#
Piano Left hand Right hand
Fingerings (16)
C7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| x 3 0 1 3 0 | – 2 – 1 3 – | x C E A# E E | medium | |
| x 3 3 3 3 6 | – 1 1 1 1 2 | x C G C E A# | medium · barre on fret 3 | |
| 8 7 6 7 6 6 | 4 2 1 3 1 1 | C E A# E G A# | medium · barre on fret 6 | |
| 8 7 8 7 9 0 | 2 1 3 1 4 – | C E C E A# E | medium · barre on fret 7 | |
| 8 10 8 10 9 0 | 1 3 1 4 2 – | C G C G A# E | medium · barre on fret 8 | |
| x 3 0 1 3 3 | – 2 – 1 3 4 | x C E A# E G | medium | |
| x 3 6 3 3 3 | – 1 2 1 1 1 | x C A# C E G | medium · barre on fret 3 | |
| 8 7 6 7 6 0 | 4 2 1 3 1 – | C E A# E G E | medium · barre on fret 6 | |
| 8 7 8 7 9 x | 2 1 3 1 4 – | C E C E A# x | medium · barre on fret 7 | |
| 8 10 0 10 9 0 | 1 3 – 4 2 – | C G E G A# E | medium | |
| x 3 3 1 3 0 | – 2 3 1 4 – | x C G A# E E | medium | |
| x 3 6 3 3 6 | – 1 2 1 1 3 | x C A# C E A# | medium · barre on fret 3 | |
| 8 7 6 7 6 x | 4 2 1 3 1 – | C E A# E G x | medium · barre on fret 6 | |
| 8 7 0 7 9 0 | 3 1 – 2 4 – | C E E E A# E | medium | |
| 8 10 0 10 9 x | 1 3 – 4 2 – | C G E G A# x | medium | |
| x 3 0 1 3 x | – 2 – 1 3 – | x C E A# E x | medium |
The C7 chord (Dominant 7) is built from the notes C, E, G, A#. Below are playable fingerings for 6-String Guitar – Open A 2 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 C7 chord is built
Formula: 1 · 3 · 5 · ♭7
| Degree | Semitones | Note |
|---|---|---|
| 1 | 0 | C |
| 3 | 4 | E |
| 5 | 7 | G |
| ♭7 | 10 | A# |
More C chords
Other roots
See C7 in another tuning
What notes make up the C7 chord?
C7 is a Dominant 7 chord built from the notes C, E, G, A#.
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.