F 11/B

The F 11 chord consists of the F (Perfect unison), A (Major third), C (Perfect fifth), D# (Minor seventh), G (Major ninth) and A# (Perfect eleventh) notes, with B as the bass note.

Piano keyboard showing the notes for a F 11/B chord

How to play the F 11/B chord

  1. Play B as the lowest bass note in the left hand
  2. Find F (Root) on the piano keyboard
  3. Add A (Major third) — 4 semitones above F
  4. Add C (Perfect fifth) — 7 semitones above F
  5. Add D# (Minor seventh) — 10 semitones above F
  6. Add G (Major ninth) — 14 semitones above F
  7. Add A# (Perfect eleventh) — 17 semitones above F
  8. Press all 7 notes simultaneously to sound the F 11/B chord