Develop a musical composition using the alphabetic representation of the specified sequence and incorporating the given motif.
X:1
L:1/8
M:4/4
K:Amix
['d3 c', 'fdfa ecAc']  
X:1
L:1/8
M:4/4
K:Amix
|: cdBc ABcd | eaec eaec | (3cdc Bc ABcA |1 d3 c dfed :|2 d3 c dfeg || fdfa ecAc | e_e=ef ecAg | 
 fdfa ecAc | d3 c dfeg | fdfa ecAc | e_e=ef ecAg | fdf^g aecA | dcde (3f^ga ed ||  