Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
M:2/2
K:A
['BA GB', 'A2 E2 E2 GE BE GB A2'  
X:1
L:1/8
M:2/2
K:A
 E2 | A2 Ac BA GB | Ac eg a2 ga | bg eg ag fe | dc BA GB EG | A2 Ac BA GB | Ac eg a2 ga | 
 bg eg ag ae | fd BG A2 :: E2 | E2 GE BE GB | A2 cA eA cA | B2 ^dB fB dB | e2 ge bg eg | 
 ag ae fa ec | de fg ag af | ea gf ed cB | cE GB A2 :|  