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