Devise a fitting chain of harmonic chords in line with the provided musical work.
c2 |: A4"_c" c2 |"_b" B"_a_b" B"_c"c"_b" B2 | e4 g2 | fe fg a2 | A4"_c" c2 | 
"_b" B"_a_b" B"_c"c"_b" B2 | e4 g2 |1 f2 z2 c2 :|2 f2 z2 ef ||[K:C] ge c2 c2 | 
 ag fe d"_c"c |"_h" B"_d"d"_f" f2"_h" B"_hC""_c" ce g2 ef | ge c2 c2 | 
 ag fe d"_c"c |"_h" B"_d"d"_f" f2"_d" d"_hC""_c" c"_h_c" c"_d"d"_c" c"_b"_B || 
[K:Bb]"_f" f"_es"e |: df =ef g"_f"f |"_b" b"_a"a"_g" g"_f"f"_es" e"_d"d | 
"_c" c"_d"d"_es" e"_f"f"_g" g"_a"a |"_b" b2"_f" f2"_f" f"_es"e | df =ef"_g" g"_f"f | 
"_b" b"_a"a"_g" g"_f"f"_es" e"_d"d |"_c" c"_d"d"_es" e"_f"f"_g" g"_a"a |1 
"_b" _b b2 z2"_es" e"_f"f :|2"_b" b2 z2"_c" c"_d"d |:"_es" e2"_d" d2"_es" e2 | 
"_c" c2"_d" d2"_es" e2 | f2 =e2 f2 |"_d" d4"_f" f"_es"e | df =ef g"_f"f | 
"_b" b"_a"a"_g" g"_f"f"_es" e"_d"d |"_c" c"_d"d"_es" e"_f"f"_g" g"_a"a |1 
"_b" b2 z2"_c" c"_d"d :|2"_b" b2 z2 z2 |]  
X:1
L:1/8
M:3/4
K:F
 c2 |:"F" A4"_c" c2 |"C7""_b" B"_a"A"_b" B"_c"c"_b" B2 | e4 g2 |"F" fe fg a2 | A4"_c" c2 | 
"C7""_b" B"_a"A"_b" B"_c"c"_b" B2 | e4 g2 |1"F" f2 z2 c2 :|2"F" f2 z2 ef ||[K:C]"C" ge c2 c2 | 
"F" ag fe d"_c"c |"G7""_h" B"_d"d"_f" f2"_h" B"_h"B |"C""_c" ce g2 ef | ge c2 c2 | 
"F" ag fe d"_c"c |"G7""_h" B"_d"d"_f" f2"_d" d"_h"B |"C""_c" c"_h"B"_c" c"_d"d"_c" c"_b"_B || 
[K:Bb]"_f" f"_es"e |:"Bb" df =ef g"_f"f |"_b" b"_a"a"_g" g"_f"f"_es" e"_d"d | 
"F7""_c" c"_d"d"_es" e"_f"f"_g" g"_a"a |"Bb""_b" b2"_f" f2"_f" f"_es"e | df =ef"_g" g"_f"f | 
"_b" b"_a"a"_g" g"_f"f"_es" e"_d"d |"F7""_c" c"_d"d"_es" e"_f"f"_g" g"_a"a |1 
"Bb""_b" _b b2 z2"_es" e"_f"f :|2"Bb""_b" b2 z2"_c" c"_d"d |:"F7""_es" e2"_d" d2"_es" e2 | 
"_c" c2"_d" d2"_es" e2 |"Bb" f2 =e2 f2 |"_d" d4"_f" f"_es"e | df =ef g"_f"f | 
"_b" b"_a"a"_g" g"_f"f"_es" e"_d"d |"F7""_c" c"_d"d"_es" e"_f"f"_g" g"_a"a |1 
"Bb""_b" b2 z2"_c" c"_d"d :|2"Bb""_b" b2 z2 z2 |]  