Construct a harmonic accompaniment for the provided musical piece.
G3 | A3 | G2 c | e2 z | G2 e | A2 f | G2 e | c B c | d2 z | d ^c d | e2 z | 
 e f ^f | g c d | e2 d | (c3 | c) z z ::[K:G] d d d | e2 d | d d d | e2 d | e z e | 
 z d c | B z B | z A G | d d d | e2 d | d d d | e2 d | e z e | z d c | B3/2 G/ G | 
 G z z ::[K:C] e ^d e | e ^d e | f2 e | d3 | d ^c d | d ^c d | e2 d | c3 | e ^d e | 
 e ^d e | f2 e | d2 c | B A B | G e3/2 d/ | (c3 |1 c) z z :|2 c z G |: e3 | e d c | 
 (B3 | B) z G | f3 | f e d | (c3 | c) z c | a3 | a g f | (e3 | e) z e | f A d | 
 c G A | (F3 |1 F) z G :|2 F z z |]  
X:1
L:1/4
M:3/4
K:C
"C" G3 | A3 | G2 c | e2 z | G2 e |"F" A2 f |"C" G2 e | c B c |"G7" d2 z | d ^c d |"C" e2 z | 
 e f ^f | g c d |"G7" e2 d |"C" (c3 | c) z z ::[K:G]"G" d d d | e2 d | d d d | e2 d |"D7" e z e | 
 z d c |"G" B z B | z A G | d d d | e2 d | d d d | e2 d |"D7" e z e | z d c |"G" B3/2 G/ G | 
 G z z ::[K:C]"C" e ^d e | e ^d e |"G7" f2 e | d3 | d ^c d | d ^c d |"C" e2 d | c3 | e ^d e | 
 e ^d e |"G7" f2 e | d2 c | B A B | G e3/2 d/ |"C" (c3 |1 c) z z :|2 c z G |:"C" e3 | e d c | 
"G7" (B3 | B) z G | f3 | f e d |"C" (c3 | c) z c |"F" a3 | a g f |"C7" (e3 | e) z e |"F" f A d | 
"C7" c G A |"F" (F3 |1 F) z G :|2 F z z |]  