A sus chords
A sus chords for piano (sus4 and sus2) with keyboard diagram.
Explanation: The Asus4 and Asus2 are three-note chords. Asus2 is sometimes written as A2.
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: A - D - E
Notes: A - B - E