Tip: click the root notes to see fingering suggestions
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
⬤ ⬤
G♭ Major 7th :: G♭ B♭ D♭ F

A
E
C
G
3
7
5
G♭
3
5
7
3
G♭
5
7
G♭
5
3
7
G♭
⬤ ⬤
⬤ ⬤
B♭ F
C Dominant 13th :: C E G B♭ D F A

A
E
C
G
13
3
C
5
♭7
11
9
13
C
5
♭7
3
9
13
11
C
♭7
3
5
9
11
C
13
3
5
9
♭7
11
⬤ ⬤
13
3
C
5
⬤ ⬤