C#maj7b5 Piano Chord
An unusual "Lydian" chord with a major seventh and a lowered fifth. Occasionally found in progressive jazz and experimental music.
Recommended voicing
C#4 · E#4 · G4 · B#4
With bass · rootless
Left hand
G3 · B#3 · E#4
fingers 5–3–1
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#maj7b5 chord
Other names: C# major 7th flat 5
Music theory name: major seventh flat five chord
Common name: C# major 7th flat 5 chord
Notes and intervals in the C#maj7b5 chord
| Note | Interval |
|---|---|
| C# | Root |
| E# | Major 3rd |
| G | Diminished 5th |
| B# | Major 7th |
Inversions
1st inversion
E#4 · G4 · B#4 · C#5
2nd inversion
G4 · B#4 · C#5 · E#5