Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
M:2/4
K:C
['G, CCED DCCG, A,B,CA, A,G,G,G,/G,/ CCCC/C/ EEEE/E/']  
X:1
L:1/8
M:2/4
K:C
 G, | CCED | DCCG, | A,B,CA, | A,G,G,G,/G,/ | CCCC/C/ | EEEE/E/ | DDDB, | C2 z |]  