Bb7 chord
The B-flat dominant seventh chord (abbreviated "Bb7 chord") is a four-note chord consisting of the notes B♭, D, F, and A♭. The chord is formed by adding a minor seventh to a B-flat major chord.
Name
B-flat dominant seventh chord
Synonym
B-flat major-minor seventh chord
Notes
B♭ D F A♭
Intervals
1 3 5 ♭7
Chord symbol
B♭7
Type
Tetrad (four-note chord)