Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:4/4
K:A
['a2 b2']  
X:1
L:1/8
M:4/4
K:A
 beeb e2 e2 | e/c/bab a4- | a6 b z | beeb a2 b2 | f>e^de- e4- | e8 | be b2 a2 e2 | a6 z2 | 
 a2 b2 e2 ee | be b2 e/c/b a2- | a6 b z | a2 b2 e2 eb | f>e^de- e4- | e8 | be b2 a2 e2 | a8 |]  