Devise well-fitting chord transitions that enhance the given musical work.
g3 | ^f g a | g3 | e3 | d c3/2 B/ | d c3/2 B/ | (F3 | F) z z | f3 | e f g | f3 | d3 | 
 c B3/2 A/ | c B3/2 A/ | (E3 | E) z z | g3 | ^f g a | g3 | e3 | e c3/2 A/ | e c3/2 B/ | 
 (A3 | A) z z | A/c/ f A | f e3/2 d/ | c2 e | g3 | g a c' | b g3/2 B/ | (c3 | 
 c) z z ::[K:G] d3/2 d/ d | d f e | d3/2 d/ d | d f a |{/f} e z F | z f e | 
{/f} e z G | z B c | d3/2 d/ d | d f e | d3/2 d/ d | d f e |{/f} e z F | F B3/2 A/ | 
 (G3 | G) z z ::[K:C] g3 | e3 | c'3 | b3 | a g e | f2 g | e3 | e g c' | c'2 b | 
 b a3/2 e/ | f3 | f g b | b2 a | a g3/2 d/ | (e3 | e) z z | g3 | e3 | c'3 | b3 | a g e | f2 g | 
 a3 | a a b | d'3 | c'3 | g3 | e3 | f3 | e G3/2 d/ | c3 | c z z :|  
X:1
L:1/4
M:3/4
K:C
"C" g3 | ^f g a | g3 | e3 | d c3/2 B/ | d c3/2 B/ |"G7" (F3 | F) z z | f3 | e f g | f3 | d3 | 
 c B3/2 A/ | c B3/2 A/ |"C" (E3 | E) z z | g3 | ^f g a | g3 | e3 |"Am" e c3/2 A/ |"E7" e c3/2 B/ | 
"Am" (A3 | A) z z |"F" A/c/ f A | f e3/2 d/ |"C" c2 e | g3 | g a c' |"G7" b g3/2 B/ |"C" (c3 | 
 c) z z ::[K:G]"D7" d3/2 d/ d | d f e |"G" d3/2 d/ d | d f a |"D7"{/f} e z F | z f e | 
"G"{/f} e z G | z B c |"D7" d3/2 d/ d | d f e |"G" d3/2 d/ d | d f e |"D7"{/f} e z F | F B3/2 A/ | 
"G" (G3 | G) z z ::[K:C]"C" g3 | e3 | c'3 | b3 | a g e |"G7" f2 g |"C" e3 | e g c' |"G7" c'2 b | 
 b a3/2 e/ | f3 | f g b |"C" b2 a | a g3/2 d/ | (e3 | e) z z | g3 | e3 | c'3 | b3 | a g e | f2 g | 
"F" a3 | a a b | d'3 | c'3 |"C" g3 | e3 |"G7" f3 | e G3/2 d/ |"C" c3 | c z z :|  