Sus2 chords

A sus2 chord is a 3-note chord — the root plus a major second and a perfect fifth above it. The third is dropped and the second stands in its place, leaving the chord neither major nor minor.

It sounds open and airy, hanging in suspense until it resolves. Below are the sus2 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.