Produce a tuneful melody that complements the indicated chord arrangement.
'D', 'Em', 'A7', 'D', 'G', 'D7', 'A7', 'D', 'A7', 'D'  
X:1
L:1/8
M:2/4
K:D
 d/f/ |"D" a2 fd/f/ | a2 fd/f/ | aa b/a/g/f/ |"Em" g2- gg/f/ |"A7" e2 cA/c/ | e2 cA/c/ | eg fe | 
"D" d3 :: d |"G" B2 B>A | Bd cB |"D7" B>A A/B/A/^G/ | A3 A |"A7" A>B cd | ef ge |"D" d2"A7" cB/c/ | 
"D" d3 :|  