C7 chord on Ukulele – Slack Key (GCEG)
in Slack Key (GCEG) tuning
C7
Dominant 7
Notes:C · E · G · A#
Piano Left hand Right hand
Fingerings (16)
C7 shapes as text
| Shape | Frets | Fingers | Notes | Difficulty |
|---|---|---|---|---|
| 0 0 0 3 | – – – 1 | G C E A# | easy | |
| 3 4 3 5 | 1 2 1 3 | A# E G C | medium · barre on fret 3 | |
| 0 4 6 5 | – 1 3 2 | G E A# C | medium | |
| 5 0 6 9 | 1 – 2 3 | C C A# E | hard | |
| 9 0 6 9 | 2 – 1 3 | E C A# E | medium | |
| 9 10 8 9 | 2 4 1 3 | E A# C E | medium | |
| 3 0 0 0 | 1 – – – | A# C E G | easy | |
| 5 4 3 3 | 4 3 1 2 | C E G A# | medium | |
| 5 4 6 0 | 2 1 3 – | C E A# G | medium | |
| 9 0 6 5 | 3 – 2 1 | E C A# C | hard | |
| 0 0 6 9 | – – 1 2 | G C A# E | medium | |
| 0 10 8 9 | – 3 1 2 | G A# C E | medium | |
| 3 0 0 3 | 1 – – 2 | A# C E A# | easy | |
| 3 4 6 5 | 1 2 4 3 | A# E A# C | medium | |
| 5 4 6 5 | 2 1 4 3 | C E A# C | medium | |
| 5 7 6 9 | 1 3 2 4 | C G A# E | hard |
The C7 chord (Dominant 7) is built from the notes C, E, G, A#. Below are playable fingerings for Ukulele – Slack Key (GCEG) 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.