Bbmaj7b5 Piano Chord
An unusual "Lydian" chord with a major seventh and a lowered fifth. Occasionally found in progressive jazz and experimental music.
Recommended voicing
Bb3 · D4 · Fb4 · A4
With bass · rootless
Left hand
Fb3 · A3 · D4
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 Bbmaj7b5 chord
Other names: Bb major 7th flat 5
Music theory name: major seventh flat five chord
Common name: Bb major 7th flat 5 chord
Notes and intervals in the Bbmaj7b5 chord
| Note | Interval |
|---|---|
| Bb | Root |
| D | Major 3rd |
| Fb | Diminished 5th |
| A | Major 7th |
Inversions
1st inversion
D4 · Fb4 · A4 · Bb4
2nd inversion
Fb4 · A4 · Bb4 · D5