B♭m7
B♭m7 is a minor seventh chord made of B♭–D♭–F–A♭. Its minor third and minor seventh distinguish it from a minor triad and from a minor-major seventh chord. The same pitches may also be spelled as A♯m7 (A♯–C♯–E♯–G♯).
NotesB♭ · D♭ · F · A♭
Formula1 · ♭3 · 5 · ♭7
AliasesA♯m7
Voice leading
B♭m7 → B♭7
- Common tones
- B♭ · F · A♭
- Moving voice
- D♭ → D
D♭ moves up a semitone to D, while B♭ and F and A♭ remain as common tones.
B♭m7
arrow_rightB♭7