Develop an appropriate set of chord transitions to enhance the existing music piece.
d | e3/2 f/ e d | c3/2 d/ c B | A G A B | c3 d | e3/2 f/ e d | 
 c3/2 d/ c B | A G A B | c2 e f |] |] g g/g/ c c | d2 B G | 
 f2 A A | G B c e | g g/g/ c c | d2 B G | A2 c A | 
 B2 B/c/d/^d/ |] |: e g e g | e g/f/ e/d/ c | d f d f | d c/_B/ A =B | 
 c3/2 G/ E G | c G E/F/ G | A3/2 G/ A B | c3 z :|  
X:1
L:1/4
M:2/2
K:C
 d"A" |"C" e3/2 f/ e d |"Am" c3/2 d/ c B |"Dm" A G"F" A"G7" B |"C" c3 d |"C" e3/2 f/ e d | 
"Am" c3/2 d/ c B |"Dm" A G"F" A"G7" B |"C" c2 e f |]"B" |]"C" g g/g/"Am" c c |"Dm" d2"G" B G | 
"Dm" f2"F" A A |"G" G B"C" c e |"C" g g/g/"Am" c c |"Dm" d2"G" B G |"Dm" A2"F" c A | 
"G" B2 B/c/d/^d/ |]"C" |:"C" e g e g | e g/f/ e/d/ c |"Bb" d f d f | d c/_B/"G" A =B | 
"C" c3/2 G/ E G | c G E/F/ G |"F" A3/2 G/"G7" A B |"C" c3 z :|  