Develop a melody while staying within the specified chord structure.
'D', 'D', 'Em', 'A7', 'G', 'D', 'Em', 'A7', 'D', 'D', 'D', 'Em', 'G', 'A7', 'D', 'Em', 'A7', 'D'  
X:1
L:1/16
M:2/4
K:D
|:"D"{A} f2d2 (AF)(Ad) |"D"{fg} f2d2 A4 |1,3"Em"{ga} g>fed"A7" (cd)eg |"G" b2ag"D" f2{dc}d2 :|2,4 
"Em"{ga} g>fed"A7" cABc |"D" d2d2 d4 ::"D" ABAF A2d2 |"D" fg{fg}fe f2a2 |1,3"Em" g2G2"G" G2Bc | 
"A7"{Bc} B2AG"D" F2DF :|2,4"Em"{ga} g>fed"A7" cABc |"D" d2d2 d4 :|  