C sus chords
C sus chords for piano (sus4 and sus2) with keyboard diagram.
Explanation: The Csus4 and Csus2 are three-note chords. Csus2 is sometimes written as C2.
Theory: In these chords, the third (the second note in the chord) are being replaced with either a major secondAn interval consisting of two semitones or a perfect fourAn interval consisting of five semitones. The sus4 chord includes a perfect four and the sus2 chord includes a major second.
Notes: C - F - G
Notes: C - D - G