Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:4/4
K:D
['fddc d2 cd eaag']  
X:1
L:1/8
M:4/4
K:D
 d2 ed =cAGB | Addc dfag | fded =cAGE | EG=cG EDDA | dfed =cAGB | Addc dfag | fded =cAGE | 
 E2 =cG ED D2 | fddc d2 cd | eaag efge | fddc d2 cd | eaag edde | fddc d2 cd | eaag efge | 
 fddc dAcd | eaag efge |]  