Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:2/2
K:D
['de faaa baaa faaf gfeg faaa baaf', 'Adfd B2 gf'  
X:1
L:1/8
M:2/2
K:D
 de | faaa baaa | faaf gfeg | faaa baaf | gfec d2 :: [fd]2 | Adfd B2 gf | eaaa fdfd | Adfd B2 gf | 
 ecec d2 :|  