Bdim7 Piano Chord
A symmetrical chord built from three stacked minor thirds — any note can theoretically serve as the root. Common in jazz, classical and film music for dramatic tension.
Recommended voicing
B3 · D4 · F4 · Ab4
Other names for the Bdim7 chord
Other names: B diminished 7th, B°7
Music theory name: diminished seventh chord
Common name: B diminished seventh chord
Notes and intervals in the Bdim7 chord
| Note | Interval |
|---|---|
| B | Root |
| D | Minor 3rd |
| F | Diminished 5th |
| Ab | Diminished 7th |
Inversions
1st inversion
D4 · F4 · Ab4 · B4
2nd inversion
F4 · Ab4 · B4 · D5