Construct chordal sequences to boost the harmonious coherence within the specified musical piece.
D/ | D G B3/2 B/ |"^(C)" c B B3/2 B/ | B A A3/2 B/ | A G G z/ G/ | D G B B/B/ | 
"^(C)" c B B3/2 B/ | B A A3/2 B/ | A G G z || | d d d B | c c c A | 
 B3/2 B/ B G | A F E D | d d d B | c c c2 | B G/G/ A B | A G G z/ |]  
X:1
L:1/4
M:4/4
K:G
 D/ |"G" D G B3/2 B/ |"^(C)" c B"G" B3/2 B/ |"D7" B A A3/2 B/ |"G" A G G z/ G/ |"G" D G B B/B/ | 
"^(C)" c B"G" B3/2 B/ |"D7" B A A3/2 B/ |"G" A G G z || |"G" d d d B |"Am" c c c A | 
"G" B3/2 B/ B G |"D7" A F E D |"G" d d d B |"C" c c c2 |"G" B G/G/"D7" A B |"G" A G G z/ |]  