Construct chord patterns that blend well with the existing music piece.
E |: A2 B | c2 d | c3/2 d/ c/B/ | A c e | a3/2 g/ f/e/ | d f a | e3- | e3 :| 
 a3/2 g/ f/e/ | d f a | e3/2 f/ e/c/ | A2 B | c3 | B A B | A3 | A c e || 
 a3/2 g/ f/e/ | d f a | e3/2 f/ e/c/ | A2 B | c f e | d c B | A3- | 
 A z |]  
X:1
L:1/4
M:3/4
K:Amin
 E |:"Am" A2 B | c2 d | c3/2 d/ c/B/ | A c e |"Dm" a3/2 g/ f/e/ | d f a |"Am" e3- |"E7" e3 :| 
"Dm" a3/2 g/ f/e/ | d f a |"Am" e3/2 f/ e/c/ | A2 B | c3 |"E7" B A B |"Am" A3 | A c e || 
"Dm" a3/2 g/ f/e/ |"G7" d f a |"C" e3/2 f/ e/c/ |"F" A2 B |"Dm" c f e |"E7" d c B |"Am" A3- | 
 A z |]  