Develop harmonious chord progressions that elevate the provided tune.
"^Part A" D/E/ | F A D/E/ | F A d/e/ | f a f/e/ | d (B B/c/) | d A F | B A F | 
 E2 E/F/ | E2 D/E/ | F A D/E/ | F A d/e/ | f a f/e/ | d (B B/c/) | d A F | G F E | 
 D2 D/E/ | D2 d/e/ ||"^Part B" f a f | e2 f/f/ | e d B | A2 B/c/ | d A F | B A F | 
 E2 E/F/ | E2 D/E/ | F A D/E/ | F A d/e/ | f a f/e/ | d (B B/c/) | d A F | G F E | 
 D2 D/E/ | D2 ||  
X:1
L:1/4
M:3/4
K:D
"^Part A" D/E/ |"D" F A D/E/ | F A d/e/ | f a f/e/ |"G" d (B B/c/) |"D" d A F | B A F | 
"A" E2 E/F/ | E2 D/E/ |"D" F A D/E/ | F A d/e/ | f a f/e/ |"G" d (B B/c/) |"D" d A F |"A" G F E | 
"D" D2 D/E/ | D2 d/e/ ||"^Part B""D" f a f | e2 f/f/ |"G" e d B |"D" A2 B/c/ |"D" d A F | B A F | 
"A" E2 E/F/ | E2 D/E/ |"D" F A D/E/ | F A d/e/ | f a f/e/ |"G" d (B B/c/) |"D" d A F |"A" G F E | 
"D" D2 D/E/ |"D" D2 ||  