Construct a melodic piece using the alphabet-based musical sequence and the given motif.
X:1
L:1/16
M:2/4
K:D
['FDFA dfaf gefd dcBA', 'd2d2d2 A2 vdfdf cece BdBd BAGF GBGB']  
X:1
L:1/16
M:2/4
K:D
 uA2 | FDFA dfaf | gefd dcBA | GBGB FAFA | EFGA GFED | FDFA dfaf | gefd dcBA | afdf gecA | 
 d2d2d2 :: A2 | vdfdf cece | BdBd BAGF | GBGB FAFA | EFGA GFED | FDFA dfaf | gefd dcBA | 
 afdf gecA | d2d2d2 :|  