Create a composition following the given musical structure and theme.
X:1
L:1/8
M:4/4
K:G
['GA BGdG gfdc AccB AG=FD GABg fdcA', 'gfdc AccB AG =F2 GABg fdcA DFAG', 'bgaf defa'  
X:1
L:1/8
M:4/4
K:G
|: GA | BGdG gfdc | AccB AG=FD | GABg fdcA | DFAG GF G2 :| GA | BGdg gfdc | AccB AG =F2 | 
 GABg fdcA | DFAG GF G2 | GA | BDGg gfdc | AccB AG =F2 | GABg fdcA | DFAG GF G2 |: Bc | dgga bgaf | 
 defa gfdc | dggg bgaf | defa g/a/g/f/ga | bggf gfdc | AccB AG =F2 | GABg fdcA | DFAG GF G2 :|  