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