Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:4/4
K:D
['A>G F2', 'A2 A2'  
X:1
L:1/8
M:4/4
K:D
 A3/2B/4c/ | d2 A>G F2 d2 | ef dF E2 D2 | A2 B3/2c/4d/4 c3 d | ef gf{f} e2 A>G | F2 G>F E2 A2 | 
 Bc de{d} c2 BA | e2 f^g a<f ed | c2 TB>A A2 :: A2 | A2 ef B2 gf | ed cB{B} ^A3 F | 
 G2 FE F2 (B>c) | Tc3 B B2 d | A<F E>D D3 E | F<d A<F A2 f>a | b2 af ed B3/2c/4d/4 | A<F E>D D2 :|  