Root on A string
x1212x
B♭m7♭5 chord on guitar
B♭m7♭5 is the B♭ half-diminished chord. Its notes are B♭, D♭, F♭ and A♭. It is the same chord as A♯m7♭5. Also written ø7. Often the ii chord in a minor ii–V–i progression.
How to play B♭m7♭5
Numbers show frets from the low E string to the high e string; x means don't play that string.
What's in B♭m7♭5
- B♭1
- D♭♭3
- F♭♭5
- A♭♭7
- Formula
- 1 · ♭3 · ♭5 · ♭7
- Also written
- B♭m7♭5, B♭ø7
- Chord type
- Half-diminished
Keys that use B♭m7♭5
B♭m7♭5 is the viiø7 chord in B major. That makes it a natural fit in songs written in those keys.
B♭m7♭5 notes across the neck
Every B♭, D♭, F♭ and A♭ on the first 12 frets. The filled dots are the root, B♭. Build your own shape from any nearby group.
Related chords
Other B♭ chords
B♭B♭mB♭7B♭maj7B♭m7B♭5B♭sus2B♭sus4B♭add9B♭6B♭m6B♭augB♭dimB♭dim7B♭m7♭5B♭9B♭maj9B♭m9B♭mmaj7B♭7♭5B♭7♯5B♭7♭9B♭7♯9
Other half-diminished chords