Compose a piece incorporating the provided motif while adhering to the given musical structure.
X:1
L:1/8
M:2/4
K:A
['B>cAB cfec B4- B4 cfec B>cAF E4-']  
X:1
L:1/8
M:2/4
K:A
 B>cAB | cfec | B4- | B4 | cfec | B>cAF | E4- | E4 | FG B2- | B2 ec | BeAF | ECEF | AAAB | FAEC | 
 B,4 |]  