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