Guitar chords in the key of A# or Bb:
Chord Bbmaj7 (10th fret) notes: Bb, D, F, A and D. You should not play the 6th string.
This chord is played by placing a barre on fret ten with your index finger.
Bb(A#) major 7th guitar chord's alternative names: BbM7, Bbmaj7.
1(A#/Bb), 3(D), 5(F), 7(A).