Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:6/8
K:D
['f/g/ aba faf dfd BdB', 'g2 B', 'dad cac BgB _Bg_B'  
X:1
L:1/8
M:6/8
K:D
|: f/g/ | aba faf | dfd BdB | ABA d2 e | faf e2 f/g/ | aba faf | dfd BdB | A2 f edc | d3 d2 :: 
 d/e/ | f2 A fed | g2 B g2 B | ABA d2 e | faf e2 d/e/ | f2 A fed | g2 B g2 B | A2 f edc | d3 d2 :: 
 A | dad cac | BgB _Bg_B | ABA d2 e | faf e3 | dad cac | BgB _Bg_B | A2 f edc | d3 d2 :|  