Create a series of chord progressions to improve the harmonic structure of the given music piece.
|: c2 c d | e2 d e | f f e3/2 d/ |1 c4 :|2 c3 d/e/ |: f e d c | 
 c B A3/2 B/ | c c"^(Gm)" B A | G2 F2 :: A3/2 B/ c c | d B c2"^I" | 
 A3/2 B/ c c | d B c A/B/ | c c B A | G2 F2 :|  
X:1
L:1/4
M:2/2
K:F
|:"C" c2 c d | e2 d e |"F" f f"G7" e3/2 d/ |1"C" c4 :|2"C" c3 d/e/ |:"F" f e d c | 
"C7" c B"F" A3/2 B/ | c c"^(Gm)" B A |"C7" G2"F" F2 ::"F" A3/2 B/ c c |"Bb" d B"F" c2"^I" | 
"F" A3/2 B/ c c |"Bb" d B"F" c A/B/ |"F" c c"Bb" B A |"C7" G2"F" F2 :|  