Construct chord patterns that blend well with the existing music piece.
|:"^A" B>cd d2 c | B>cB A2 G | B>cd d>cB | A>GF G3 ::"^B" B3 c3 | 
 B3 A2 G | B>AB c2 B | A>GF G3 ::"^C" B>AB c>dc | B>AB A2 G | 
 B>AB c>dB | A>GF G3 :|  
X:1
L:1/8
Q:3/8=112
M:6/8
K:G
|:"^A""G" B>cd d2 c |"G" B>cB"D7" A2 G |"G" B>cd d>cB |"D7" A>GF"G" G3 ::"^B""G" B3"C" c3 | 
"G" B3"D7" A2 G |"G" B>AB"C" c2 B |"D7" A>GF"G" G3 ::"^C""G" B>AB"C" c>dc |"G" B>AB"D7" A2 G | 
"G" B>AB"C" c>dB |"D7" A>GF"G" G3 :|  