Design chord combinations to enhance the harmony of the given musical composition.
G3 | c2 A/B/ | G z z | g z D || D E/F/ G/A/ | B z B/c/ | B A ^G | A z D | 
 D z F | F z E | E D ^C | E2 D | D E/F/ G/A/ | B z B/c/ | B A ^G | A z D | d2 c | 
 B2 A | G3/2 G/ G | G z A/G/ || F e e | e3/2 d/ c | D d d | d3/2 c/ B | D/E/ D A | 
 D/E/ D A | D/E/ D d | d3/2 B/ G | F e e | e3/2 d/ c | D d d | d3/2 c/ B | E c/B/ A | 
 D B/A/ G | D e/d/ c/A/ | G z z ||[K:C] e3 | d2 z | e e/f/ e/d/ | c c c | 
 c3 | D3 | A3 | A2 _A | G2 F | F E D | C E A | G3 | G G, F | E G, D | C3/2 C/ C | 
 C z (3(C/D/C/) |: B,2 A | G2 F | E2 e | d2 c |1 B2 A | G2 F | E F ^F | 
 G2 (3(C/D/C/) :|2 B A G | f3/2 e/ d | c3/2 c/ c | c z z |]  
X:1
L:1/4
M:3/4
K:G
"G" G3 |"D7" c2 A/B/ |"G" G z z | g z D ||"G" D E/F/ G/A/ | B z B/c/ |"Am" B A ^G | A z D | 
"D7" D z F | F z E |"G" E D ^C | E2 D | D E/F/ G/A/ | B z B/c/ |"Am" B A ^G | A z D |"D7" d2 c | 
 B2 A |"G" G3/2 G/ G | G z A/G/ ||"D7" F e e | e3/2 d/ c |"G" D d d | d3/2 c/ B |"D7" D/E/ D A | 
 D/E/ D A |"G" D/E/ D d | d3/2 B/ G |"D7" F e e | e3/2 d/ c |"G" D d d | d3/2 c/ B |"Am" E c/B/ A | 
"G" D B/A/ G |"D7" D e/d/ c/A/ |"G" G z z ||[K:C]"C" e3 |"G7" d2 z |"C" e e/f/ e/d/ | c c c | 
"Dm" c3 | D3 | A3 | A2 _A |"G7" G2 F | F E D |"C" C E A | G3 |"G7" G G, F | E G, D |"C" C3/2 C/ C | 
 C z (3(C/D/C/) |:"G7" B,2 A | G2 F |"C" E2 e | d2 c |1"G7" B2 A | G2 F |"C" E F ^F | 
 G2 (3(C/D/C/) :|2"G7" B A G | f3/2 e/ d |"C" c3/2 c/ c | c z z |]  