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