Design a musical work that abides by the outlined structure and integrates the assigned theme.
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
['dc B2 G2 GBAG FGAB c2 dc', "G2 (3def gbag afdf ac'ba bgaf geag"  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
 dc | B2 G2 GBAG | FGAB c2 dc | Bdef gdec | B2 G2 G2 :: (3def | gdBd"^*" gbag | afdf ac'ba | 
 bgaf geag | f2 d2 d2 gd | (3efg (3Bcd c2 c'2 | bagf edcB | (3cde (3ABc Fedc | B2 G2 G2 :|  