Major chord

A major triad has a major third on the bottom, a minor third on top, and a perfect fifth between the outer notes.
major triad
Component intervals from root
perfect fifth
major third
Tuning
just - 4:5:6
Forte no.
3-11

A major chord is a triad with a major third and a perfect fifth above the root. The major chord above C is spelled C–E–G.