Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:9/8
K:C
['', 'c _BAG GAF ECD EFG GA_B', 'c e2 e fdc BGG cde fde']  
X:1
L:1/8
M:9/8
K:C
 c |: _BAG GAF ECD | EFG GA_B c2 c | _BAG GAF ECD | EFG GA_B c2 c :: e2 e fdc BGG | cde fde f2 f | 
 efg fed ecc | _BGE FG=B c2 c :|  