Compose harmonious chord progressions to enhance the existing musical composition.
e/f/ | gcac gcac | gcec d2 de/f/ | gcac gcec | BGAB c2 c :: G | 
 c2 GE cGEc | GcEc d2 de |1 c2 GE cagf | ecdB c2 cG :|2 
 cedf egfa | ecdB c2 c :|  
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 |1"C" c2 GE"F" cagf |"C" ec"G7"dB"C" c2 cG :|2 
"C" ce"Dm"df"C" eg"F"fa |"C" ec"G7"dB"C" c2 c :|  