C add13/G#

The C add13 chord consists of the C (Perfect unison), E (Major third), G (Perfect fifth) and A (Major thirteenth) notes, with G# as the bass note.

Piano keyboard showing the notes for a C add13/G# chord

How to play the C add13/G# chord

  1. Play G# as the lowest bass note in the left hand
  2. Find C (Root) on the piano keyboard
  3. Add E (Major third) — 4 semitones above C
  4. Add G (Perfect fifth) — 7 semitones above C
  5. Add A (Major thirteenth) — 21 semitones above C
  6. Press all 5 notes simultaneously to sound the C add13/G# chord

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