Develop complementary chords that synergize with the given tune.
d2 A3/2 A/ | d d2 d | d d c B | A4 | d3/2 D/ D E | F D F A | B2 A G | F4 | 
 F3/2 G/ F E | D d A F | G2 A2 | D4 | F3/2 G/ F E | D d A F | A2 c2 | d4 |]  
X:1
L:1/4
Q:1/2=100
M:2/2
K:D
"D" d2 A3/2 A/ | d d2 d |"G" d d c B |"A" A4 |"D" d3/2 D/ D E | F D F A |"G" B2"A7" A G |"D" F4 | 
"D" F3/2 G/ F E | D d A F |"G" G2"A" A2 |"D" D4 | F3/2 G/ F E | D d A F |"A7" A2 c2 |"D" d4 |]  