Create a musical composition that adheres to the provided structure and theme.
X:1
L:1/8
Q:1/8=500
M:4/4
K:C
['z6 G,B, CB, CD EC DE FE', 'DB, CB, CD EC DE FE FG'  
X:1
L:1/8
Q:1/8=500
M:4/4
K:C
 z6 G,B, |:"C" CB, CD EC DE |"F" FE FG A^F D^F |"G" G^F GA Bc dB |"C" cd cA GE DB, | CB, CD EC DE | 
"F" FE FG A^F D^F |"G" G^F GA Bc dB |1"C" cE GE c2 G,B, :|  