Design agreeable chord sequences that suit the presented tune
|: CDD DEG | ADD ABc |{/c} BAG AGE | GEA GED | CDD DEG | (3G.A.A ABc | 
{/c} BAG AGE |1 GED D2 C :|2 GED D2 B |: ded{/e} dBG | AGA BGE | 
 ded{/e} dBG | AGF G (3ABd | gfe dBG | A2 G BGE | B2 G{/B} AGE |1 GED D2 B :|2 
 GED D (3EFG |: A2 D B2 D | A2 D ABc |{/c} BAG AGE | GEA GED | 
 ADD (3BAG | ADD ABc |{/c} BAG AGE | GED D3 :|  
X:1
L:1/8
M:6/8
K:Dmix
|:"D" CDD DEG | ADD ABc |"G"{/c} BAG AGE |"Am7" GEA GED |"D" CDD DEG | (3G.A.A ABc | 
"Am7"{/c} BAG AGE |1"D" GED D2 C :|2"D" GED D2 B |:"G" ded{/e} dBG |"Am7" AGA BGE | 
"G" ded{/e} dBG |"D" AGF G (3ABd |"G" gfe dBG |"Am7" A2 G BGE |"C" B2 G{/B} AGE |1"D" GED D2 B :|2 
"D" GED D (3EFG |:"D" A2 D"G" B2 D |"D" A2 D ABc |"G"{/c} BAG AGE |"Am7" GEA GED | 
"D" ADD"G" (3BAG |"D" ADD ABc |"Am7"{/c} BAG AGE |"D" GED D3 :|  