Create a set of chord combinations that enhance the harmony of the submitted musical composition.
[K:G] !>!G2 !>!A2 | !>!B2 !>!c2 | .d2 !>!f2 | .g2 z2 |: d2 e/d/^c/d/ | .g2 .B2 | 
 B2 c/B/^A/B/ | .d2 .B2 | d>g g>f | f>e A2 | c>f f>e | e>d G2 | d2 e/d/^c/d/ | .g2 .B2 | 
 B2 c/B/^A/B/ | .d2 .G2 | D/E/F/G/ A2 | E/F/G/A/ B2 | A/B/^c/d/ ec | dd/d/ d z :: 
 .c2 .A2 | z g fe | .d2 .B2 | z d cB | A>a a>g | g>f f>e | ed ^cd | BD/E/ F/G/A/B/ | 
 .c2 .A2 | z g fe | .d2 .B2 | z d cB | A>e e2 | G>d d2 | F/G/A/B/ c/d/e/f/ | 
 gg/g/ g z ::[K:C] .e2 .e2 | e^d/e/ fe | .c2 .c2 | cB/c/ dc | B3 c | d3 B | c3 d | 
 e3 G | .e2 .e2 | e^d/e/ fe | .c2 .c2 | cB/c/ dc | BG A/G/^F/G/ | e3 d | .c2 .c2 | c2 z2 :|  
X:1
L:1/8
M:2/4
K:none
[K:G]"G" !>!G2 !>!A2 |"C" !>!B2 !>!c2 |"D7" .d2 !>!f2 |"G" .g2 z2 |:"G" d2 e/d/^c/d/ | .g2 .B2 | 
 B2 c/B/^A/B/ | .d2 .B2 | d>g g>f |"D7" f>e A2 | c>f f>e |"G" e>d G2 | d2 e/d/^c/d/ | .g2 .B2 | 
 B2 c/B/^A/B/ | .d2 .G2 |"D" D/E/F/G/ A2 |"Em/G" E/F/G/A/ B2 |"A7" A/B/^c/d/ ec |"D" dd/d/ d z :: 
"D7" .c2 .A2 | z g fe |"G" .d2 .B2 | z d cB |"D7" A>a a>g | g>f f>e |"G" ed ^cd | BD/E/ F/G/A/B/ | 
"D7" .c2 .A2 | z g fe |"G" .d2 .B2 | z d cB |"Am/C" A>e e2 |"G" G>d d2 |"D7" F/G/A/B/ c/d/e/f/ | 
"G" gg/g/ g z ::[K:C]"C" .e2 .e2 | e^d/e/ fe | .c2 .c2 | cB/c/ dc |"G7" B3 c | d3 B |"C" c3 d | 
 e3 G | .e2 .e2 | e^d/e/ fe | .c2 .c2 | cB/c/ dc |"G7" BG A/G/^F/G/ | e3 d |"C" .c2 .c2 | c2 z2 :|  