C 7(#5)

The C 7(#5) chord consists of the C (Perfect unison), E (Major third), G# (Minor sixth) and A# (Minor seventh) notes.

Piano keyboard showing the notes for a C 7(#5) chord

How to play the C 7(#5) chord

  1. Find C (Root) on the piano keyboard
  2. Add E (Major third) — 4 semitones above C
  3. Add G# (Minor sixth) — 8 semitones above C
  4. Add A# (Minor seventh) — 10 semitones above C
  5. Press all 4 notes simultaneously to sound the C 7(#5) chord

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