Develop harmonious melodies based on the provided chord structures.
'D', 'C', 'D', 'C', 'D', 'D', 'A', 'D', 'A', 'D', 'G', 'D', 'A', 'D', 'C', 'D', 'C', 'D', 'C', 'D', 'C', 'D'  
X:1
L:1/8
Q:1/8=200
M:2/2
K:D
"D" FEDF ABAF |"C" GE=cE dE=cE |"D" FEDF ABAF |"C" GE=cE"D" ED D2 :|"D" Addc dfed |"A" Beed efge | 
"D" Addc dfed |"A" cAGE"D" FD D2 | Addc dfed |"G" (3Bcd ef gefg |"D" afge d2 cA | 
"A" (3Bcd AG"D" FDDE | F2 FG A2 dA |"C" G2 dG G2 dG |"D" F2 FG A2 dA |"C" GE=cE"D" EDDE | 
 F2 FG A2 dA |"C" G2 dG eGdG |"D" F2 FG A2 dA |"C" GE=cE"D" ED D2 |]  