A Flat Suspended 4th (also written G#sus4)
Absus4 is made of 3 notes: Ab, Db and Eb. Here it is in root position, with Ab at the bottom.
Inside Notley Piano: all the inversions of Absus4, fingering for both hands, a play button, and practice that helps you remember it.
| Note | Degree | Interval from Ab |
|---|---|---|
| Ab | 1 | root |
| Db | 4 | perfect 4th |
| Eb | 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.