Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/8
M:6/8
K:G
['D2 B,']  
X:1
L:1/8
M:6/8
K:G
 F | G2 E D2 B, | D2 B, G,2 D | G2 G c2 B | (B A2- A2) B | c2 B c2 A | (2:3:2G E F2 G | 
 A2 B (2:3:2A G |[M:2/4] (GF) E D | G E/ E/ D>C | B,/A,/B,/C/ D2 | GG/A/ Bc/B/ | A/G/F/A/ G ||  