Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
M:2/2
K:C
['c2 c G c2 GE cGEc d2'  
X:1
L:1/8
M:2/2
K:C
 e/f/ |"C" gcac gcac |"C" gcec"G7" d2 de/f/ |"C" gcac gcec |"G7" BGAB"C" c2 c :| G | 
"C" c2 GE cGEc |"C" GcEc"G7" d2 de |"C" c2 GE"F" cagf |"C" ec"G7"dB"C" c2 c || G |"C" c2 GE cGEc | 
"C" GcEc"G7" d2 de |"C" ce"Dm"df"C" eg"F"fa |"C" ec"G7"dB"C" c2 c |]  