Chord · 7ths
B♭dimMaj7 — B♭ Diminished Major 7th
B♭dimMaj7 is the B♭ diminished major 7th chord. It is built on the root B♭ with minor 3rd (D♭), diminished 5th (F♭) and major 7th (A) above it — the formula 1 ♭3 ♭5 7, sounding the notes B♭ D♭ F♭ A. On the piano it sits at Bb (octave 3) and above in the library's voicing; the same 4 notes in any octave are still B♭dimMaj7.
- Root
- B♭
- Quality
- Diminished Major 7th
- Formula
- 1 ♭3 ♭5 7
- Notes
- B♭ D♭ F♭ A
On the keyboard
The notes of B♭dimMaj7
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | B♭ | root | B♭3 |
| ♭3 | D♭ | minor 3rd | D♭4 |
| ♭5 | F♭ | diminished 5th | F♭4 |
| 7 | A | major 7th | A4 |
Other 7ths on B♭
Diminished Major 7th chords on every root
Part of the chord reference. See also the scales and the keys.