Create a musical composition using the provided motif and the alphabet representation of the specified sequence.
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
['Sig A in D GAB AFD G3', 'd2 B']  
X:1
L:1/8
Q:3/8=120
M:6/8
K:G
"_Key Sig A in MS" D | GAB AFD | G3 A B2 | efe dBG | d2 B G3 :: d2 B d2 B | e2 c e2 f | gfe dBG | 
 d2 c A3 :|  