Produce chord progressions to blend with the given tune.
A |: c=B c_B | Ac FA | GB EG | F/E/F/G/ FA | c=B c_B | Ac FA | GB EG | F3 A :: 
 Bd GB | Ac FA | GB EG | F/E/F/G/ FA | BB/d/ GG/B/ | AA/c/ FF/A/ | 
 GG/B/ EE/G/ |1 F3 A :|2 F3 z |]  
X:1
L:1/8
M:2/4
K:F
 A |:"F" c=B c_B | Ac FA |"C7" GB EG |"F" F/E/F/G/ FA | c=B c_B | Ac FA |"C7" GB EG |"F" F3 A :: 
"Gm/Bb" Bd GB |"F" Ac FA |"C7" GB EG |"F" F/E/F/G/ FA |"Gm/Bb" BB/d/ GG/B/ |"F/C" AA/c/ FF/A/ | 
"C7" GG/B/ EE/G/ |1"F" F3 A :|2"F" F3 z |]  