Construct chord patterns that blend well with the existing music piece.
B | dBG BAG | dBG G2 B | dBG AGE | GED D2 B | dBG BAG | BdB BAG | 
 AGA BAB | GED D2 :: B | deg aga | bge edB | deg aga | 
 bge ega | bag age | ged ege | dBG AGE | GED D2 :: d | 
 B2 G{Ac} A2 G | B2 D Ddc | BAG AGE | GED Ddc | B2 G{Ac} A2 G | 
 BcB BAG | AGA BAB | GED D2 :|  
X:1
L:1/8
M:6/8
K:G
 B |"G" dBG BAG |"G" dBG G2 B |"G" dBG"Em" AGE |"C" GED"D" D2 B |"G" dBG BAG |"G" BdB"Em" BAG | 
"Am" AGA"Bm" BAB |"C" GED"D" D2 :: B |"G" deg"B7" aga |"Em" bge edB |"G" deg"B7" aga | 
"Em" bge ega |"G" bag"Am" age |"C" ged ege |"G" dBG"Em" AGE |"C" GED"D" D2 :: d | 
"G" B2 G{Ac}"D" A2 G |"G" B2 D Ddc |"G" BAG"Em" AGE |"C" GED"D" Ddc |"G" B2 G{Ac}"D" A2 G | 
"G" BcB"Em" BAG |"Am" AGA"Bm" BAB |"C" GED"D" D2 :|  