C 7(add11)

The C 7(add11) chord consists of the C (Perfect unison), E (Major third), G (Perfect fifth), A# (Minor seventh) and F (Perfect eleventh) notes.

Piano keyboard showing the notes for a C 7(add11) chord

How to play the C 7(add11) chord

  1. Find C (Root) on the piano keyboard
  2. Add E (Major third) — 4 semitones above C
  3. Add G (Perfect fifth) — 7 semitones above C
  4. Add A# (Minor seventh) — 10 semitones above C
  5. Add F (Perfect eleventh) — 17 semitones above C
  6. Press all 5 notes simultaneously to sound the C 7(add11) chord