G♭ Dominant 7th (♭5)
::
G♭
B♭
C
E
⨉
A
E
C
G
♭7
♭5
3
G♭
⬤
♭5
3
⬤
♭7
⬤
♭5
⬤
3
G♭
⬤
♭7
⬤
♭5
⬤
G♭
♭7
⬤
3
G♭
⬤ ⬤
♭7
♭5
⬤ ⬤
—
D♭ Augmented 7th (♭9)
::
C♯
F
A
B
D
⨉
A
E
C
G
♯5
3
C♯
♭7
♭9
♯5
⬤
⬤
C♯
♭7
⬤
♭9
♯5
3
⬤
C♯
⬤
♭7
♭9
⬤
3
⬤
C♯
♯5
⬤
♭9
3
♭7
⬤ ⬤
♯5
⬤ ⬤