G♭ Sus 4th
::
G♭
C♭
D♭
⨉
G
D
A
E
4
G♭
⬤
⬤
4
G♭
5
⬤
⬤
5
⬤
4
⬤
⬤
4
G♭
5
⬤
G♭
5
⬤ ⬤
⬤ ⬤
D Major 7th (♭5)
::
D
F♯
A♭
C♯
⨉
G
D
A
E
D
♭5
3
⬤
⬤
3
7
♭5
⬤
D
⬤
7
♭5
⬤
D
⬤
⬤
3
7
⬤
D
3
7
♭5
⬤ ⬤
D
⬤ ⬤