A♭ Dominant 7th Sus4
Ab7sus4 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
A♭ – D♭ – E♭ – G♭
1 – 4 – 5 – b7
The Ab7sus4 chord sounds floating and unresolved, common in modal jazz. Its notes are Ab, Db, Eb, Gb.