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