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 G G2 A', 'def g2 a bag afd', 'G2 (G/A/) B3 c3 dcB cAG F3'  
X:1
L:1/8
M:6/8
K:G
 (G/F/) | D2 G G2 A | B2 d cAG | F2 D DED | F2 F (E2 D) | D2 G G2 A | BAG Ade | fed cAF | AGG G2 :| 
 | (B/c/) | def g2 a | bag afd | fef afd | (d>ef/g/) afd | def g2 a | bag afd | fed cAF | AGG G2 :| 
 | (G/A/) | B3 c3 | dcB cAG | F3 DED | FEF AFD | B3 cBc | dcB cde | fed cAF | AGG G2 :|  