Construct chord patterns that blend well with the existing music piece.
|: f B B d | c/B/ A B2 | c3/2 d/ e f | g f e g | f B B d | 
 c/B/ A B2 | c3/2 d/ e f | B A B2 :: b2"^D/f#" a f | g a/g/ f d | 
 c3/2 d/ e f | g f e g | f b- b a | g a/g/ f d | c3/2 d/ e f | 
 B A B2 :|  
X:1
L:1/4
M:2/2
K:Bmin
|:"Bm" f B B d |"A" c/B/ A"Bm" B2 |"A" c3/2 d/ e f |"Em" g f"A" e g |"Bm" f B B d | 
"A" c/B/ A"Bm" B2 |"A" c3/2 d/ e f | B A"Bm" B2 ::"G" b2"^D/f#" a f |"Em" g a/g/"D" f d | 
"A" c3/2 d/ e f |"Em" g f"A" e g |"Bm" f b- b a |"Em" g a/g/"D" f d |"A" c3/2 d/ e f | 
 B A"Bm" B2 :|  