A♭ Dominant 7th Sus2
Ab7sus2 · Root
Every chord tone stacked from the root up.
Click keys to experiment with the chord
A♭ – B♭ – E♭ – G♭
1 – 2 – 5 – b7
Non-standard symbol. Jazz convention treats "sus" as defaulting to sus4. This voicing is more commonly written as C9(no3).
The Ab7sus2 chord sounds distinctive, with a dominant 7th sus2 character. Its notes are Ab, Bb, Eb, Gb.