C Suspended 4th
Csus4 is made of 3 notes: C, F and G. Here it is in root position, with C at the bottom.
Inside Notley Piano: all the inversions of Csus4, fingering for both hands, a play button, and practice that helps you remember it.
| Note | Degree | Interval from C |
|---|---|---|
| C | 1 | root |
| F | 4 | perfect 4th |
| G | 5 | perfect 5th |
A sus4 chord replaces the 3rd with a perfect 4th. It sounds tense and unresolved, and it usually resolves back down to the major chord.