Construct chord patterns that blend well with the existing music piece.
|:"^A instr" GG/D/ GA |"^(Cm)" B/A/B/c/ AG | ^F/G/F/=E/ FG | AB/A/ GG | GG/D/ GB | 
"^(Cm)" dd c/B/A/G/ | ^F/G/F/=E/ FG | AB/A/ G2 ::"^B vocal" dd dd | dd e<d | 
 c2"^(Gm)" B2 | A3 z | cc cc | cc BA | B2"^(D7)" c2 | d3 z ::"^C" BB BB | 
 BB AB | c2"^(Gm)" B2 | A3 z | AA AA | cc BA | B/A/G A/G/^F | G3 z :: 
"^D chorus" GG GA | Bc/B/ AG | ^FF FG | AB/A/ G2 | GG GB | dd cB | 
 A>G ^FG | AB/A/ G2 :|  
X:1
L:1/8
M:2/4
K:Gmin
|:"^A instr""Gm" GG/D/ GA |"^(Cm)" B/A/B/c/ AG |"D7" ^F/G/F/=E/ FG | AB/A/"Gm" GG |"Gm" GG/D/ GB | 
"^(Cm)" dd c/B/A/G/ |"D7" ^F/G/F/=E/ FG | AB/A/"Gm" G2 ::"^B vocal""Gm" dd dd | dd e<d | 
"Cm" c2"^(Gm)" B2 |"Cm" A3 z |"D7" cc cc | cc BA |"Gm" B2"^(D7)" c2 |"Gm" d3 z ::"^C""Gm" BB BB | 
 BB AB |"Cm" c2"^(Gm)" B2 |"Cm" A3 z |"D7" AA AA | cc BA |"Gm" B/A/G"D7" A/G/^F |"Gm" G3 z :: 
"^D chorus""Gm" GG GA |"Cm" Bc/B/ AG |"D7" ^FF FG | AB/A/"Gm" G2 |"Gm" GG GB |"Cm" dd cB | 
"D7" A>G ^FG |"Gm" AB/A/ G2 :|  