Construct chord patterns that blend well with the existing music piece.
|: f2 (3(def) (3d(ef) | (g>f) e3 (d | c>B) (B<A) B>c |1,3 d>(B A<G) F>D ||2,4 
 d2 d4 :: a>(g f<d) de/f/ | g>(f e<d) c>c | (c>B) (B<A) B>c |1,3 (3(cBc) a4 ||2,4 
 d2 d4 :|  
X:1
L:1/8
M:3/4
K:D
|:"D" f2 (3(def) (3d(ef) |"Em" (g>f) e3 (d |"A7" c>B) (B<A) B>c |1,3"D" d>(B A<G) F>D ||2,4 
"D" d2 d4 ::"D" a>(g f<d) de/f/ |"Em" g>(f e<d) c>c |"A" (c>B) (B<A) B>c |1,3"A7" (3(cBc) a4 ||2,4 
"D" d2 d4 :|  