Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:6/8
K:G
['d3 B3 (G2 D)', 'bgd cdc afc'  
X:1
L:1/8
M:6/8
K:G
|: vg3 d3 | B3 (G2 D) | EGE FAF | GAB def | g3 d3 | B3 (G2 D) | EFE FAF | G3 G,3 :: vded bgd | 
 cdc afc | BcB gdB | AFD AFD | ded bgd | cdc afc | BdB cAF | G3 G,3 :|  