B7 chord
The B dominant seventh chord (abbreviated "B7 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 major chord.
Name
B dominant seventh chord
Synonym
B major-minor seventh chord
Notes
B D♯ F♯ A
Intervals
1 3 5 ♭7
Chord symbol
B7
Type
Tetrad (four-note chord)