Root : G♭
4th : B
5th : D♭
Dominant 7th : E
9th : A♭
G♭9sus4
Contains a B as the bass note.
Notated as G♭/B
G♭9sus4/B
Contains a D♭ as the bass note.
Notated as G♭/D♭
G♭9sus4/D♭
Contains an A♭ as the bass note.
Notated as G♭/A♭
G♭9sus4/A♭
A jazz sus chord or dominant 9sus4 chord is a seventh chord on the fifth scale degree of the key with a suspended fourth and an added ninth. Functionally, it can be written as V9sus4 or V7sus9.