C7
Dominant 7 · C – E – G – A♯
- CR
- E3
- G5
- A♯♭7
Guitar voicings
Piano
- Root
- Third / sus
- Fifth
- Sixth / seventh
- Extension
About the C7 chord
The C7 chord (Dominant 7) is built from C (the root), E (a major third), G (a perfect fifth) and A♯ (a minor seventh). Dominant seventh chords add bluesy tension that pulls toward resolution, central to blues, jazz and funk.