C#7 Piano Chord
A tense chord that "wants" to resolve up a fourth. Essential for blues, jazz, rock'n'roll and funk. The added minor seventh creates characteristic tension.
Recommended voicing
C#4 · E#4 · G#4 · B4
With bass · rootless
Left hand
E#3 · B3
fingers 5–1
Right hand
Free
melody / improvisation
Jazz accompaniment with a bass player: the bass supplies the root, leaving the right hand free for melody or improvisation.
Other names for the C#7 chord
Other names: C# dominant 7th, C#dom7
Music theory name: dominant seventh chord
Common name: C# seven chord
Notes and intervals in the C#7 chord
| Note | Interval |
|---|---|
| C# | Root |
| E# | Major 3rd |
| G# | Perfect 5th |
| B | Minor 7th |
Inversions
1st inversion
E#4 · G#4 · B4 · C#5
2nd inversion
G#4 · B4 · C#5 · E#5