Construct chord patterns that blend well with the existing music piece.
|: dcB | A>AA A<FA | d2 e f2 a | g2 e f2 d | efd B2 d | A>AA A<FA | d2 e f2 g | 
 afd e2 f | d3 :: def | gdg"^(A)" gag | fdf"^(Bm)" fgf | ede efg | 
 fed B2 d | A>AA A<FA | d2 e f2 g | afd e2 f | d3 :|  
X:1
L:1/8
M:6/8
K:D
|: dcB |"D" A>AA A<FA | d2 e f2 a |"A7" g2 e"D" f2 d |"G" efd B2 d |"D" A>AA A<FA | d2 e f2 g | 
 afd"A7" e2 f |"D" d3 :: def |"G" gdg"^(A)" gag |"D" fdf"^(Bm)" fgf |"Em" ede"A7" efg | 
"D" fed"G" B2 d |"D" A>AA A<FA | d2 e f2 g | afd"A7" e2 f |"D" d3 :|  