B♭m7♭5
B♭ Half-Diminished · 4 fingerings
Known as the half-diminished chord, B♭m7♭5 is a minor seventh with a flattened fifth — darker and less stable than a minor seventh, but not as severe as a fully diminished chord. Its main job in jazz is as the ii chord of a minor key, leading to an altered dominant and then home. Essential for playing minor jazz standards.
B♭m7♭5 · position 1
B♭m7♭5 · position 2
B♭m7♭5 · position 3 · fret 5
B♭m7♭5 · position 4 · fret 8
Practice this Chord
Play-alongs whose transcribed chord changes include B♭m7♭5.