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:Bmin
['fB (3BBB', 'edBA dcde f3 e |1 dfaf e3']  
X:1
L:1/8
M:4/4
K:Bmin
|: fB (3BBB fBaB | fB (3BBB edce | fB (3BBB f3 e |1 dfaf e2 de :|2 dfaf e3 c |: dcde f3 e | 
 defd edBA | dcde f3 e |1 dfaf e3 c :|2 dfaf edba ||  