Construct harmonious chord structures to elevate the given musical piece.
C | F F A F | =E E/F/ G C | F F A F |1 c3 :|2 c3 || z | d d d c | 
 B A/B/ G A/B/ | c c c B | A G F A | G F =E =D | =E C E G |1 c4- | c3 :|2 
 F z C z | F z z |]  
X:1
L:1/4
Q:1/2=84
M:4/4
K:Fmin
"C7" C |"Fm" F F A F |"C7" =E E/F/ G C |"Fm" F F A F |1"C7" c3 :|2"F7" c3 || z |"Bbm" d d d c | 
"Eb" B A/B/ G A/B/ |"Ab" c c c B |"Db" A G F A |"C7" G F =E =D | =E C E G |1"Fm" c4- |"F7" c3 :|2 
"Fm" F z C z | F z z |]  