Guitar chords in the key of C major:
Chord C (5th fret) v.2 notes: C, E, G, C and E. You should not play the 1st string.
This chord is played by placing a barre on fret five with your index finger.
C major chord's alternative names: CM, Cmaj, Do major, C dur.
1(C), 3(E), 5(G).