Construct a music composition that complies with the designated structure and theme.
X:1
L:1/16
M:2/4
K:C
['e2>f2 fedc', 'g2>f2 fedc'  
X:1
L:1/16
M:2/4
K:C
 cd | e2>f2 fedc | e2>f2 fedc | ABce d2>c2 | BcAB G2cd | e2>f2 fedc | e2>f2 fedc | ABce d2>c2 | 
 c6 :: gg | g2>f2 fedc | g2>f2 fedc | ABce d2>c2 | BcAB G2ef | g2>f2 fedc | g2>f2 fedc | 
 ABce d2>c2 | c6 :|  