Compose a musical piece by integrating the alphabetic representation of the specified sequence and the provided motif.
X:1
L:1/8
M:4/4
K:D
['F2 AF GABG ABde fdef gagf']  
X:1
L:1/8
M:4/4
K:D
 AG | F2 AF GABG | ABde fdef | gagf efed | cdcB AGFG | F2 AF GABG | ABde fdef | gagf edcB | 
 Addc d2 |]  