Design compatible chord transitions for the given music piece.
"^A" dF de | cF cd | ee/d/ ef | dd/c/ B2 | dF de | cF cd | ed/e/ f/e/d/c/ | 
 BB B z ::[K:F]"^B" AF/A/ c2 | cA/c/ f2 | e/d/c/B/ dc | e/d/c/B/ dc | AF/A/ c2 | 
 cA/c/ f2 | e/d/c/B/ A/c/B/G/ | FA F"_> Teil A" z ::[K:Eb]"^C" GG GA | B2 e2 | 
 cc ce | B2 G2 | ff fe | d>c B2 |1 bb ba | g>f e2 :|2 ag/b/ ad/f/ | ee e z || 
"^D" c>B d>B | eB/=A/ Be | dB/=A/ Ba | gg/f/ eB | c>B d>B | eB/=A/ Bg | 
 a>c d>B | ee e z |]  
X:1
L:1/8
M:2/4
K:Bb
"^A""Bb" dF de |"F7" cF cd | ee/d/ ef |"Bb" dd/c/ B2 | dF de |"F7" cF cd | ed/e/ f/e/d/c/ | 
"Bb" BB B z ::[K:F]"^B""F" AF/A/ c2 | cA/c/ f2 |"C7" e/d/c/B/ dc | e/d/c/B/ dc |"F" AF/A/ c2 | 
 cA/c/ f2 |"C7" e/d/c/B/ A/c/B/G/ |"F" FA F"_> Teil A" z ::[K:Eb]"^C""Eb" GG GA | B2 e2 | 
"Ab" cc ce |"Eb" B2 G2 |"Bb7" ff fe | d>c B2 |1 bb ba |"Eb" g>f e2 :|2 ag/b/ ad/f/ |"Eb" ee e z || 
"^D""Bb7" c>B d>B |"Eb" eB/=A/ Be |"Bb7" dB/=A/ Ba |"Eb" gg/f/ eB |"Bb7" c>B d>B |"Eb" eB/=A/ Bg | 
"Bb7" a>c d>B |"Eb" ee e z |]  