Produce a compatible series of chord shifts that synergize with the given musical composition.
|: A2 de f2 f^g | a2 ea/^g/ f2 fa | g2 eg f2 dc/d/ |1,3 e2 Bc dcBA :|2,4 
 e2 Bc d2 d2 :: Adfe eddc | ceea a^ggf | g2 g2 feed |1,3 
 dcBc dcBA :|2,4 dcBc d2 d2 :|  
X:1
L:1/8
M:4/4
K:D
|:"D" A2 de f2 f^g |"A" a2 ea/^g/"D" f2 fa |"A7" g2 eg"D" f2 dc/d/ |1,3"E7" e2 Bc"A7" dcBA :|2,4 
"G" e2"A7" Bc"D" d2 d2 ::"D" Adfe eddc |"A" ceea a^ggf |"A7" g2 g2"D" feed |1,3 
"E7" dcBc"A7" dcBA :|2,4"G" dc"A7"Bc"D" d2 d2 :|  