F7b5 Piano Chord
A tense jazz chord with a tritone replacing the perfect fifth. Often serves as a tritone substitution in jazz progressions — replacing the classic dominant seventh chord.
Recommended voicing
F4 · A4 · Cb5 · Eb5
With bass · rootless
Left hand
Cb4 · Eb4 · A4
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 F7b5 chord
Other names: F 7th flat 5
Music theory name: seventh flat five chord
Common name: F 7b5 chord
Notes and intervals in the F7b5 chord
| Note | Interval |
|---|---|
| F | Root |
| A | Major 3rd |
| Cb | Diminished 5th |
| Eb | Minor 7th |
Inversions
1st inversion
A4 · Cb5 · Eb5 · F5
2nd inversion
Cb5 · Eb5 · F5 · A5