Sus2 chords
Chords sus2 They are made up of 3 notes that correspond to grades:
Root - Major Second - Perfect Fifth (R - 2 - 5)
The letter representing the chord name plus the word «sus2", for example Do sus2 is represented as Csus2
These chords are called suspendedSince they do not have a 3rd grade, they do not have a higher or lower quality, and they generate a tension that seeks to resolve mainly towards the 3rd degree.