B♭7
B♭7 is a dominant seventh chord made of B♭–D–F–A♭. Its major third and minor seventh distinguish it from both a major seventh chord and a plain major triad. The same pitches may also be spelled as A♯7 (A♯–C𝄪–E♯–G♯).
NotesB♭ · D · F · A♭
Formula1 · 3 · 5 · ♭7
AliasesA♯7
Voice leading
B♭7 → E♭
- Common tones
- B♭
- Moving voice
- D → E♭ · A♭ → G
D moves up a semitone to E♭ and A♭ moves down a semitone to G, while B♭ remains as a common tone. This three-note voicing omits F.
B♭7
arrow_rightE♭