Piano chord · Sevenths

B half-diminished 7th chord on piano

Right hand: B (1), D (2), F (3), A (5)

How to play Bm7♭5 on piano: the keys to press, which fingers to use, inversions and how it’s written on the staff.

Dark and unresolved; often the ii chord in a minor key.

Bm7♭5 is the viiø7 chord in C major. In minor keys: iiø7 in A minor.

Notes
BDFA
Formula
1♭3♭5♭7
Built from
root · minor 3rd · diminished 5th · minor 7th

Piano

Root position · numbers are finger numbers

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How to play it

Right handB1 · thumbD2 · indexF3 · middleA5 · pinky

Left handB5 · pinkythe root, an octave lower

Finger numbers: 1 thumb · 2 index · 3 middle · 4 ring · 5 pinky. Inversions use the same notes with a different one on the bottom — they help you move smoothly between chords. Tap any key to hear it.

Tips for playing Bm7♭5 on piano

On piano, Bm7♭5 sits entirely on white keys.

Bm7♭5 piano chord diagram (B half-diminished 7th)
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