Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
['f2 f', 'f2 f']  
X:1
L:1/8
Q:1/8=300
M:6/8
K:D
|: d/e/ | f2 f fef | g3 f2 f | e2 e ede | f3 d2 d/e/ | f2 f fef | g3 a2 g | f2 f ede | d3 d2 :: 
 f/g/ | a2 a b2 b | a3- a z f/g/ | a2 a b2 b | a3- a z d/e/ | f2 f fef | g3 f2 f | e2 e ede | 
 f3 d2 d/e/ | f2 f fef | g3 b3 | aba gfe | d3 d2 :|  