Compose a piece using the alphabetic notation of the assigned musical structure and the provided melodic motif.
X:1
L:1/8
M:4/4
K:D
['FEDF A2 AB defd B2 ef gefd', 'defd B2 ef gefd edBd']  
X:1
L:1/8
M:4/4
K:D
|: AG | FEDF A2 AB | defd B2 ef | gefd edBd | AGFD E2 EG | FEDF A2 AB | defd B2 ef | gefd edBd | 
 Adfe d2 :: fg | afge fdec | defd B2 ef | gefd edBd | AGFD E2 EG | FEDF A2 AB | defd B2 ef | 
 gefd edBd | Adfe d2 :|  