Construct harmonizing chords for the given musical piece.
d f a | f3/2 e/ d | c e a | g3 | c e a | g3/2 f/ e |1 d f a | f3 :|2 d3/2 d/ d | 
 d z z |: A g A | f3/2 e/ d | e3/2 d/ c | d/c/ d/e/ f | A g A | f3/2 e/ d | 
 e/e/ e c | d z z ::[K:G] B z d | e z B | d z"_c" c | c3 | c'3/2 f/ f | f3 | 
 b3/2 g/ g | g3 | B z d | e z B | d z"_c" c | c3 | c'2 f | d'2 f | g3/2 g/ g | 
 g z z :|  
X:1
L:1/4
M:3/4
K:D
"D" d f a | f3/2 e/ d |"A7" c e a | g3 | c e a | g3/2 f/ e |1"D" d f a | f3 :|2"D" d3/2 d/ d | 
 d z z |:"A7" A g A |"D" f3/2 e/ d |"A7" e3/2 d/ c |"D" d/c/ d/e/ f |"A7" A g A |"D" f3/2 e/ d | 
"A7" e/e/ e c |"D" d z z ::[K:G]"G" B z d | e z B |"D7" d z"_c" c | c3 | c'3/2 f/ f | f3 | 
"G" b3/2 g/ g | g3 | B z d | e z B |"C" d z"_c" c | c3 |"D7" c'2 f | d'2 f |"G" g3/2 g/ g | 
 g z z :|  