Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:2/4
K:G
['gd de/f/', 'z ce ed/c/ Bd dc/B/ Aedc B/c/d/B/'  
X:1
L:1/8
M:2/4
K:G
 (3d/e/f/ | gd de/f/ | gd de/f/ | gedA | B2 G z | gd de/f/ | gd de/f/ | ge dc | B2 G z || 
 ce ed/c/ | Bd dc/B/ | Aedc | B/c/d/B/ GB | ceed/c/ | Bd dg | f/g/a ef | g2 G z ||  