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