Develop a melody while staying within the specified chord structure.
'D', 'G', 'A', 'D', 'A', 'D', 'G', 'A', 'D', 'D', 'A', 'D', 'A', 'D', 'A', 'D', 'G', 'D', 'A', 'D', 'G', 'D', 'A', 'D', 'G', 'D'  
X:1
L:1/8
M:6/8
K:D
"D" FEF AFF | DFF AFF |"G" GFG"A" ABc |"D" ded"A" cAG |"D" FEF AFF | DFF AFF |"G" GFG"A" BAG | 
"D" AFD D3 :|"D" dcd fed |"A" ecA"D" AFA | dcd fed | faf"A" gec |"D" dcd fed |"A" ecA"D" AFA | 
"G" GFG BAG |"D" AFD D2 A | dcd fed |"A" ecA"D" AFA | dcd fed | faf"G" g3 |"D" agf"A" gfe | 
"D" fdB AFD |"G" GFG BAG |"D" AFD D2 E ||  