Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
Q:3/8=110
M:6/8
K:G
['D2 G G2 A B3 BAG', 'f2 d', 'G2 A'  
X:1
L:1/8
Q:3/8=110
M:6/8
K:G
|: D2 G G2 A | B3 BAG | F2 D DED | F3 FEF | D2 G G2 A | B3 BAG | f2 d cAF | G3 G3 :: f2 d ded | 
 g3 bag | f2 d ded | f3 fed | g2 d ded | g3 bag | f2 d cAF | G3 G3 :: DED G2 A | BAG c2 A | 
 ded cBA | dcB AFA | D2 G G2 A | B3 BAG | f2 d cAF | G3 G3 :|  