B major seventh chord
Bmaj7 chord for piano with keyboard diagram.
Explanation: The B major seventh is a four note chord. You can see the four notes of the B major seventh chord marked in red color. The chord is often abbreviated as Bmaj7.
Theory: The B major seventh chord is constructed with a root, a major third, a perfect fifth and a major seventh.
Fingerings: little finger, middle finger, index finger, thumb (left hand); thumb, index finger, middle finger, little finger (right hand).
Notes: B - D# - F# - A#
Bmaj7 - inversions
Explanation: The piano chords pictured below are the three inversions of Bmaj7. Bmaj7/D# is a A major seventh with D# as the bass note, Bmaj7/F# is a B major seventh with F# as the bass note and Bmaj7/A# is a B major seventh with A# as the bass note.