The B-sharp dominant seventh chord (abbreviated "B#7 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-sharp major chord.

Name
B-sharp dominant seventh chord
Synonym
B-sharp major-minor seventh chord
Notes
B D F A
Intervals
1 3 5 7
Chord symbol
B7
Type
tetrad (four-note chord)

B#7 chord on piano

B#7 chord on guitar

B#7 chord on ukulele

B#7 chord on the staff