Produce music using the specified musical structure depicted in letters along with the provided musical theme.
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
['AA dd e/f/g/a/ f e/f/ gB cf', 'eA e/d/e/f/']  
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
 AA dd | e/f/g/a/ f e/f/ | gB cf | e>d A2 | AA dd | e/f/g/a/ f e/f/ | gB cf | e>d d2 :: e c/d/ eA | 
 e/d/e/f/ eA | e/d/e/f/ e d/c/ | B>A A2 | a a/g/ f e/d/ | e/f/g/a/ f e/f/ | gB cf | e>d d2 :|  