C 3

The C 3 chord consists of the C (Perfect unison) and E (Major third) notes.

Piano keyboard showing the notes for a C 3 chord

How to play the C 3 chord

  1. Find C (Root) on the piano keyboard
  2. Add E (Major third) — 4 semitones above C
  3. Press all 2 notes simultaneously to sound the C 3 chord