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