Compose a melodic line that follows the provided chord sequence.
'D', 'Em', 'A7', 'D', 'A7', 'D', 'D', 'G', 'A7', 'D', 'D', 'G', 'A7', 'D'  
X:1
L:1/4
Q:1/2=120
M:2/2
K:D
|:"^A" f/=f/ |"D" ^f d/c/ d A/^G/ |"^/" A d f3/2 f/ |"Em" g f e d |"A7" c B A f/=f/ | 
"D" ^f d/c/ d A/^G/ |"^/" A d f3/2 f/ |"A7" e A B c |"D" d3 :: A |"D" F A/A/ A A |"G" G B/B/ B B | 
"A7" A c/c/ c c |"D" d/e/f/e/ d/c/B/A/ |"D" F A/A/ A A |"G" G B/B/ B B |"A7" A c/c/ c e |"D" d3 :|  