A# m3/B

The A# m3 chord consists of the A# (Perfect unison) and C# (Minor third) notes, with B as the bass note.

Piano keyboard showing the notes for a A# m3/B chord

How to play the A# m3/B chord

  1. Play B as the lowest bass note in the left hand
  2. Find A# (Root) on the piano keyboard
  3. Add C# (Minor third) — 3 semitones above A#
  4. Press all 3 notes simultaneously to sound the A# m3/B chord