C 6(add9)/G#

The C 6(add9) chord consists of the C (Perfect unison), E (Major third), G (Perfect fifth), A (Major sixth) and D (Major ninth) notes, with G# as the bass note.

Piano keyboard showing the notes for a C 6(add9)/G# chord

How to play the C 6(add9)/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 sixth) — 9 semitones above C
  6. Add D (Major ninth) — 14 semitones above C
  7. Press all 6 notes simultaneously to sound the C 6(add9)/G# chord

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