Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:4/4
K:C
['F2 D DFA dAF AFE', 'D2 a/g/ f2 d dfa afd dfa'  
X:1
L:1/8
M:4/4
K:C
[M:6/8][K:D] .abc A/G/ | F2 D DFA | dAF AFE | EGE CEC | EGE CEG | F2 D DFA | dAF AFE | BGB EFG | 
 AFD D2 :: a/g/ | f2 d dfa | afd dfa | e2 c ceg | gec efg | faf edc | dcB AFA | (B/c/d)B ABG | 
 FDD D2 :|  