A Half Diminished 7th
::
A
C
E♭
G
⨉
A
E
C
G
A
♭3
♭7
A
⬤
♭3
♭7
♭5
⬤
⬤
A
♭3
⬤
♭5
⬤
♭7
⬤
♭3
♭5
⬤
A
⬤
♭7
♭5
⬤ ⬤
A
♭3
♭7
⬤ ⬤
A
C
G
C Major 6th
::
C
E
G
A
⨉
A
E
C
G
6
3
C
5
6
⬤
C
5
⬤
3
⬤
6
C
⬤
⬤
3
5
⬤
C
⬤
6
3
⬤
5
⬤ ⬤
6
3
C
5
⬤ ⬤
—
B♭ Augmented
::
B♭
D
G♭
⨉
A
E
C
G
B♭
♯5
3
⬤
B♭
⬤
⬤
3
⬤
B♭
♯5
⬤
3
⬤
⬤
♯5
⬤
3
B♭
♯5
⬤ ⬤
⬤ ⬤