A Dominant 7th (♭5)
::
A
C♯
E♭
G
G
D
A
E
B
♭7
A
♭5
A
3
⬤
♭7
⬤
3
♭5
⬤
♭7
A
⬤
3
♭5
⬤
A
⬤
♭5
♭7
⬤
3
⬤
♭7
A
3
♭5
⬤ ⬤
♭7
A
⬤ ⬤