B♭ half-diminished chord on piano
B♭m7♭5 · B♭ø7 — a diminished triad with a minor seventh: the ii chord of a minor key.
| Notes | B♭ – D♭ – F♭ (= E) – A♭ |
|---|---|
| Formula | 1 – ♭3 – ♭5 – ♭7 |
| Symbols | B♭m7♭5, B♭ø7 |
| Fingering (root position) | Right hand 1 2 3 5 · Left hand 5 3 2 1 |
How to play B♭ half-diminished on the piano
Start on B♭. Add D♭, F♭, A♭. With the right hand use fingers 1 2 3 5; with the left hand 5 3 2 1. Press the keys together for the chord, or one after another for an arpeggio.
Inversions
The same notes in a different order: the lowest note changes, the chord stays B♭ half-diminished. Inversions let you move between chords with small steps.
Root position
B♭ – D♭ – F♭ – A♭ · RH 1 2 3 5 · LH 5 3 2 1
1st inversion
D♭ – F♭ – A♭ – B♭ · RH 1 2 3 5 · LH 5 3 2 1
2nd inversion
F♭ – A♭ – B♭ – D♭ · RH 1 2 4 5 · LH 5 3 2 1
3rd inversion
A♭ – B♭ – D♭ – F♭ · RH 1 2 3 5 · LH 5 4 2 1
Which keys use B♭ half-diminished
In these keys the chord is built from the notes of the scale itself:
Other B♭ chords
B♭ majorB♭ minorB♭ diminishedB♭ augmentedB♭ sus2B♭ sus4B♭6B♭7B♭ major seventhB♭ minor seventhB♭ diminished seventh
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