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B half-diminished chord
The Bm7♭5 chord (half-diminished) is made of the notes B, D, F, A. Its formula compared with the major scale is 1 ♭3 ♭5 ♭7.
Bm7♭5
Sevenths · 4 notes
Note names
How it is built
| Degree | Note | Interval from the root |
|---|---|---|
| 1 | B | Unison |
| ♭3 | D | Minor third |
| ♭5 | F | Diminished fifth |
| ♭7 | A | Minor seventh |
Inversions
- Bm7♭5B D F ARoot position
- Bm7♭5/DD F A BFirst inversion
- Bm7♭5/FF A B DSecond inversion
- Bm7♭5/AA B D FThird inversion
Which keys it belongs to
Bm7♭5 is a diatonic chord, that is, it comes from a degree of the scale, in these keys:
Frequently asked questions
- Which notes make up the Bm7♭5 chord?
- The notes are B, D, F, A.
- What is the formula of the Bm7♭5 chord?
- The formula is 1 ♭3 ♭5 ♭7: minor third, diminished fifth, minor seventh.
From theory to practice
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