Compose music that adheres to the provided musical structure and theme.
X:1
L:1/4
M:3/4
K:D
['d e', 'f g'  
X:1
L:1/4
M:3/4
K:D
 d d e | f2 a | d e f | e f g | a g f | e3 :: e3 | e e f | e2 z | f2 z | f f g | f g a | g2 f | 
 f e3/2 d/4e/4 | f3 | a2 z | a b/a/ g/f/ | g2 z | a2 z | e f g | f g a | b a g | f g a | g/f/ e2 | 
 d d2 :|  