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
⬤ ⬤
B
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
⬤ ⬤
⬤ ⬤
—
A Major
::
A
C♯
E
⨉
A
E
C
G
A
5
3
A
⬤
⬤
3
5
⬤
A
⬤
3
⬤
5
⬤
⬤
3
A
5
⬤
⬤ ⬤
A
5
⬤ ⬤