Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:Dmix
['', 'A D3', 'A2 d^c dA (3Bcd'  
X:1
L:1/8
M:4/4
K:Dmix
 c3 B |: A D3 A D3 | A D3 ADGF | E G3 AGBG | EGGF GBdB | A D3 A D3 | A D3 G2 FG | A3 B cded | 
 cAGE D2 BG :: A2 d^c dA (3Bcd | eaag edgd | eAAB AGEG | A2 GF EFGE | A2 d^c dA (3Bcd | a3 g efge | 
 af (3gfe fded | cAGE D2 BG :|  