Construct chord patterns that blend well with the existing music piece.
c/B/ | A<F F>A c>d cB | A<F c>A BG GB | A<F F>A c>d c<A | 
 C<F E<G AF F :| c | fc f>g a<f g>f | c>f b/a/g/f/ e<g g>a | 
 f<c f>g{fg} af cA | C<F E<G A<F F |] c | f<c f>g{fg} a<f g>f | 
 c>f b/a/g/f/ eg gb | a<f g<e f<d c>A | Bd c>B AF F |]  
X:1
L:1/8
M:4/4
K:F
 c/B/ |"F" A<F F>A"C7" c>d cB |"F" A<F c>A"C7" BG GB |"F" A<F F>A"C7" c>d c<A | 
"F" C<F"C7" E<G"F" AF F :| c |"F" fc f>g a<f"C7" g>f |"F" c>f b/a/g/f/"C7" e<g g>a | 
"F" f<c f>g{fg} af cA |"F" C<F"C7" E<G"F" A<F F |] c |"F" f<c f>g{fg} a<f"C7" g>f | 
"F" c>f b/a/g/f/"C7" eg gb |"F" a<f"C" g<e"Dm" f<d"Am" c>A |"Gm" Bd"C7" c>B"F" AF F |]  