Construct a musical piece conforming to the alphabetically indicated blueprint and the supplied motif.
X:1
L:1/8
M:4/4
K:D
['a2 fa', '(3cBA eA']  
X:1
L:1/8
M:4/4
K:D
|: a2 fa eA AB | (3cBA eA fAeA | a2 fa ecAc | Bcdc BGGA | a2 fa eA AB | cdef g2 fg | afge fdec | 
 BcdB G4 :: (3cBA eA fAeA | (3cBA af ecAB | (3cBA eA fAec | Bcdc BGBc | (3cBA eA fAed | 
 cdef g2 fg | afge fdec | BcdB G4 :|  