Create a musical composition using the given motif and adhering to the specified musical form represented by alphabet characters.
X:1
L:1/8
Q:1/8=200
M:4/4
K:C
['c2 ec A2 dc', 'e2 eg f2 fa']  
X:1
L:1/8
Q:1/8=200
M:4/4
K:C
 GB | c2 ec A2 dc | (Bd)gf (ed)cB | c2 ec A2 dc | BGAB c2 :: cd | e2 eg f2 fa | (ga)gf fedc | 
 e2 eg f2 fa | gage c2 :|  