Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/8
M:4/4
K:Bb
['fd B2 B2 FcdB cBcd edcB ABcd', 'B2 AB cfag f=eg fe dfba g2'  
X:1
L:1/8
M:4/4
K:Bb
 fd | B2 B2 FcdB | cBcd edcB | ABcd cBAG | (3FAc fgfedc | BdFA DFBd | gb=eg c2 cB | ABcd eFGA | 
 c2 B2 B2 :: AB | cfag f=eg fe | dfba g2 gf | (3edc (3dcB (3gfe (3dcB | (3ABc (3BAG (3FAc f2 e | 
 dfBd DFBd | gb=eg c2 cB | ABcd fFGA | c2 B2 B2 :|  