Create a fitting sequence of chord changes that enhance the given musical piece.
c'/d'/ |: c'f f/a/g/f/ | eg c/=B/c | c'>g be | f>a c/=B/c | c'f f/a/g/f/ | 
 eg c/=B/c | c'b a>g |1 ff fc'/d'/ :|2[K:C] ff f z |: gf/d/ G>f | ec/G/ ee | 
 B/d/g B/d/g | c/e/g ce | gf/d/ G>f | e/c/G ee | g/f/d/B/ g>B | ce c z :: 
[K:Bb] ff/d/ fd | ff/a/ e2 | ff/d/ fe | ff/b/ d2 | ff/d/ fd | gg/e/ ge | 
 aa/f/ fa | bb b z :|  
X:1
L:1/8
M:2/4
K:F
 c'/d'/ |:"F" c'f f/a/g/f/ |"C7" eg c/=B/c | c'>g be |"F" f>a c/=B/c | c'f f/a/g/f/ | 
"C7" eg c/=B/c | c'b a>g |1"F" ff fc'/d'/ :|2[K:C]"F" ff f z |:"G7" gf/d/ G>f |"C" ec/G/ ee | 
"G7" B/d/g B/d/g |"C" c/e/g ce |"G7" gf/d/ G>f |"C" e/c/G ee |"G7" g/f/d/B/ g>B |"C" ce c z :: 
[K:Bb]"Bb" ff/d/ fd |"F7" ff/a/ e2 | ff/d/ fe |"Bb" ff/b/ d2 | ff/d/ fd |"Eb" gg/e/ ge | 
"F7" aa/f/ fa |"Bb" bb b z :|  