Major chords
A major chord is a 3-note chord — the root plus a major third and a perfect fifth above it. It is the most basic chord in Western harmony — a bare major triad, nothing added or altered.
Bright and fully settled, it anchors a huge share of pop, folk and rock. Below are the major chords for all twelve keys, from C to B — pick any chart for its full set of voicings, the piano shape and how it's built.