Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
['BA B2 FE DBFB GABc BAGF GABc', 'B2 ba bfdB bfdB fdcd BAGF ecec'  
X:1
L:1/8
Q:1/2=90
M:2/2
K:Bb
 BA | B2 FE DBFB | GABc BAGF | GABc dBfB | bBfB BAGF | BGFE DBFB | GBFB EBDB | DFBd EGBe | 
 cAFA B2 :: ba | bfdB bfdB | fdcd BAGF | ecec dBdB | A2 F2 F2 GA | GBEB edcB | AcFc fedc | 
 Bbab fdBf | d2 B2 B2 :|  