|6||x or F||1st fretfr.||optionalopt.|
Guitar chords in the key of A# or Bb:
Chord Bbsus4 notes: (F), Bb, F, Bb, Eb and F.
This chord is played by placing a barre on fret one with your index finger. The note F on the sixth string is not required, but can be played on the 1st fret if needed.
Bb(A#) suspended 4th chord's alternative names: Bbsus, Bbsus4.
1(A#/Bb), 4(D#/Eb), 5(F).