Create chord progressions that enrich the harmonic structure of the provided musical piece.
(3(c/d/c/)B c/e/d/c/ | B/d/f/a/ gf | G/B/d/f/ ed | c/e/g/c'/ ag | (3(c/d/c/)B c/e/d/c/ | 
 B/d/f/a/ gf | G/B/d/f/ e>d |1 cc c z :|2 cc cc'/c'/ |: b>b a>a | gc e>a | 
 gB f>a | gc e>c' | b>b a>a | gc e>a | gB/a/ g>d |1 cc cc'/c'/ :|2 
 !>!c2 !>!_B2 |:[K:F] AA/c/ f/a/g | fA c>f | eG B>g | fA c>B | AA/c/ f/a/g | 
 fA c>f | ec/e/ g/b/a/g/ | ff/f/ f z :|  
X:1
L:1/8
M:2/4
K:C
"C" (3(c/d/c/)B c/e/d/c/ |"G7" B/d/f/a/ gf | G/B/d/f/ ed |"C" c/e/g/c'/ ag | (3(c/d/c/)B c/e/d/c/ | 
"G7" B/d/f/a/ gf | G/B/d/f/ e>d |1"C" cc c z :|2"C" cc cc'/c'/ |:"G7" b>b a>a |"C" gc e>a | 
"G7" gB f>a |"C" gc e>c' |"G7" b>b"F" a>a |"C" gc e>a |"G7" gB/a/ g>d |1"C" cc cc'/c'/ :|2 
"C" !>!c2"C7" !>!_B2 |:[K:F]"F" AA/c/ f/a/g | fA c>f |"C7" eG B>g |"F" fA c>B | AA/c/ f/a/g | 
 fA c>f |"C7" ec/e/ g/b/a/g/ |"F" ff/f/ f z :|  