Create a series of chord progressions to improve the harmonic structure of the given music piece.
K:C] B/c/ | dG GB/c/ | dG Gd/e/ | ff dc | c2 BB/c/ | dG GB/c/ | dG Gd/e/ | ff ed | 
 c2 c2 |  
X:1
L:1/8
M:2/4
K:none
[K:C] B/c/ |"G7" dG GB/c/ | dG Gd/e/ | ff dc |"C" c2"G" BB/c/ |"G7" dG GB/c/ | dG Gd/e/ | ff ed | 
"C" c2 c2 |]  