Create a composition following the given musical structure and theme.
X:1
L:1/8
M:4/4
K:G
['d g3']  
X:1
L:1/8
M:4/4
K:G
 B G3 AGFA | D G3 A2 dc | A G3 AGFG | =F3 G ABcA | BGGB AGFA | D G3 A2 dc | A G3 AGFG | 
 =F3 G ABcA | d g3 aggf | dgge fdcA | d g3 agfg | dcde fdcA | d g3 agfg | a2 ag f3 g | 
 a2 (3gfe fdec | d2 eg fdcA |]  