Csus2 chord
C suspended second
1 / 1
3
5
7
10
The Csus2 chord has the formula 1, 2, 5 with notes C, D, G
Commonly used in pop, rock, and jazz, the suspended second chord usually has no third and therefore sounds open since it lacks a minor or major tonality. It can function as a preparatory chord before a resolution at the third.