Chord · 7ths
Bm7♭5 — B Half-Diminished
Bm7♭5 is the B half-diminished chord. It is built on the root B with minor 3rd (D), diminished 5th (F) and minor 7th (A) above it — the formula 1 ♭3 ♭5 ♭7, sounding the notes B D F A. On the piano it sits at B (octave 3) and above in the library's voicing; the same 4 notes in any octave are still Bm7♭5.
- Root
- B
- Quality
- Half-Diminished
- Formula
- 1 ♭3 ♭5 ♭7
- Notes
- B D F A
On the keyboard
Right-hand fingering for this voicing: 1–2–3–5 (1 is the thumb).
The notes of Bm7♭5
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | B | root | B3 |
| ♭3 | D | minor 3rd | D4 |
| ♭5 | F | diminished 5th | F4 |
| ♭7 | A | minor 7th | A4 |
Other 7ths on B
Half-Diminished chords on every root
Part of the chord reference. See also the scales and the keys.