Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
M:6/8
K:G
['D2 D GDG BGB ded ded', 'A F2'  
X:1
L:1/8
M:6/8
K:G
 D2 D | GDG BGB | ded ded | c2 c ABc | B2 G D2 D | GDG BGB | ded ded | fed cBA | G3 :: F2 A | 
 F2 A F2 B | A3 ABA | ^cBA GFE | B2 A F2 A | F2 A F2 B | A3 ABA | cBA GFE | D3 :|  