Create a composition based on the provided motif while adhering to the necessary musical structure.
X:1
L:1/8
Q:3/8=100
M:6/8
K:Bb
['D2 E FGA BAG F2 E', 'B,3 def B2 d c2 e A3'  
X:1
L:1/8
Q:3/8=100
M:6/8
K:Bb
 D2 E FGA | BAG F2 E | Ddc BAG | c3 C3 | D2 E FGA | BAG F2 E | Ded cBA | B3 B,3 :: def B2 d | 
 c2 e A3 | BAB GcB | A3 F3 | fga bag | f2 e d2 e | fdB cAF | B3 B,3 :|  