A# m11/B

The A# m11 chord consists of the A# (Perfect unison), C# (Minor third), F (Perfect fifth), G# (Minor seventh), C (Major ninth) and D# (Perfect eleventh) notes, with B as the bass note.

Piano keyboard showing the notes for a A# m11/B chord

How to play the A# m11/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. Add F (Perfect fifth) — 7 semitones above A#
  5. Add G# (Minor seventh) — 10 semitones above A#
  6. Add C (Major ninth) — 14 semitones above A#
  7. Add D# (Perfect eleventh) — 17 semitones above A#
  8. Press all 7 notes simultaneously to sound the A# m11/B chord

Related slash chords