Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:2/2
K:G
['DGBG ABcA defa{ga} gedc B3 d c3', 'gfde f3 g afge Adfe dcAF G2'  
X:1
L:1/8
M:2/2
K:G
 DGBG ABcA | defa{ga} gedc | B3 d c3 A | E/F/G AF DEFD | G2 BG AB{cd}cA | B/c/d fa{ga} gedc | 
 B2 dB{d} cAFG |{AB} A2 G2 G4 :: g3 a{a} gfde |{ga} g2 af gfde | f3 g afge | Adfe dcAF | 
 G2 BG AB{cd}cA | B/c/d fa{ga} gedc | B2 dB{d} cAFG |{AB} A2 G2 G4 :|  