Compatibility Chart.
Major keys
C
F
G
Am
Db
Gb
Ab
Bbm
D
G
A
Bm
Eb
Ab
Bb
Cm
E
A
B
Dbm
F
Bb
C
Dm
Gb
B
Db
Ebm
G
C
D
Em
Ab
Db
Eb
Fm
A
D
E
Gbm
Bb
Eb
F
Gm
B
E
Gb
Abm
Minor Keys
Cm
Fm
Gm
Eb
Dbm
Gbm
Abm
E
Dm
Gm
Am
F
Ebm
Abm
Bbm
Gb
Em
Am
Bm
G
Fm
Bbm
Cm
Ab
Gbm
Bm
Dbm
A
Gm
Cm
Dm
Bb
Abm
Dbm
Ebm
B
Am
Dm
Em
C
Bbm
Ebm
Fm
Dd
Bm
Em
Gbm
D