Develop a piece of music by incorporating the provided motif and following the outlined musical structure represented by alphabet characters.
X:1
L:1/8
M:6/8
K:Bmin
['FAA dAA BAA', 'b3 afd']  
X:1
L:1/8
M:6/8
K:Bmin
|: FAA dAA | BAA ABG | FAA dfe | dBB BAG | FAA dAA | BAA Age | f3 fef |1 dBB BAG :|2 dBB B2 g |: 
 faa b2 a | afd def | a3 b3 | afd efd | fga b3 | afd def | gfe dfe |1 dBB B2 g :|2 dBB BAG ||  