Assemble an assortment of chord duos that intensify the harmonious features of the given musical masterpiece.
d/c/ | B .d G .B | E2 D G | F/G/A/B/ c B | B2 A d/c/ | B .d G .B | 
 E2 D G | F/G/A/B/ c F | G3!fine! ::[K:D] d | c c c/A/B/c/ | d d d e/d/ | 
 c c c/A/B/c/ | d3 e/d/ | c c c/A/B/c/ | d A B G | F A G E | D3 :|  
X:1
L:1/4
Q:1/4=140
M:4/4
K:G
"D7" d/c/ |"G" B .d G .B |"C" E2"G" D G |"D7" F/G/A/B/ c B |"G" B2"D7" A d/c/ |"G" B .d G .B | 
"C" E2"G" D G |"D7" F/G/A/B/ c F |"G" G3!fine! ::[K:D]"D" d |"A7" c c c/A/B/c/ |"D" d d d e/d/ | 
"A7" c c c/A/B/c/ |"D" d3 e/d/ |"A7" c c c/A/B/c/ |"D" d A"G" B G |"A7" F A G E |"D" D3 :|  