B dominant seventh chord

B7 chord for piano with keyboard diagram.
Explanation: The B dominant seventh is a four note chord. You can see the four notes of the B seventh chord marked in red color. The chord is often abbreviated as B7.
Theory: The B seventh chord is constructed with a root, a major third, a perfect fifth and a minor seventh.
Fingerings: little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).

B7

B7 chord diagram
Notes: B - D# - F# - A

Bb7 chord ‹ Previous • Next › C7 chord

+  Show inversions: B7/D#, B7/F#, B7/A -  Hide inversions

B7 - inversions

Explanation: The images below show the three inversions of the B dominant seventh chord. B7/D# is a B dominant seventh with D# as the bass note, B7/F# is a B dominant seventh with F# as the bass note and B7/A is a B dominant seventh with A as the bass note.

B7/D#

B7/D# chord diagram
1st inversion

B7/F#

B7/F# chord diagram
2nd inversion

B7/A

B7/A chord diagram
3rd inversion

B chord categories

B Bm B7 Bm7 Bmaj7 B6 Bm6 B6/9 B5 B9 Bm9 Bmaj9 B11 B13 Badd B7-5 B7+5 Bsus Bdim Baug