Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/8
M:2/2
K:Bb
['B, D2 DB FDEC D3 B FDdB', 'fddb fdec'  
X:1
L:1/8
M:2/2
K:Bb
 B, | D2 DB FDEC | D3 B FDdB | cABG FDEC | D2 Dd cA G :| fddb fdec | fddf gabg | fddb fdec | 
 DFBd cA G2 | fddb fdec | fddf gabg | fdcA BGFE | DCB,d cA G ||  