C 13

The C 13 chord consists of the C (Perfect unison), E (Major third), G (Perfect fifth), A# (Minor seventh), D (Major ninth) and A (Major thirteenth) notes.

Piano keyboard showing the notes for a C 13 chord

How to play the C 13 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 D (Major ninth) — 14 semitones above C
  6. Add A (Major thirteenth) — 21 semitones above C
  7. Press all 6 notes simultaneously to sound the C 13 chord

Related slash chords