B7b5 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
B3 · D#4 · F4 · A4
With bass · rootless
Left hand
F3 · A3 · D#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 B7b5 chord
Other names: B 7th flat 5
Music theory name: seventh flat five chord
Common name: B 7b5 chord
Notes and intervals in the B7b5 chord
| Note | Interval |
|---|---|
| B | Root |
| D# | Major 3rd |
| F | Diminished 5th |
| A | Minor 7th |
Inversions
1st inversion
D#4 · F4 · A4 · B4
2nd inversion
F4 · A4 · B4 · D#5