Compose a melodious orchestration that adheres to the designated chord structure.
'A', 'E', 'D', 'A', 'D', 'A', 'E', 'D', 'A', 'D', 'A', 'D', 'A', 'A', 'E', 'A', 'D', 'A', 'A', 'E'  
X:1
L:1/8
M:2/2
K:A
"A" A/A/A A2 A>(ce)c |"E" B/B/B (cA)"D" F2 (EF) |"A" A/A/A A2 A>(ce)c |"D" f/f/f (fe) fefa | 
"A" A/A/A A2 A>(ce)c |"E" B/B/B (cA)"D" F2 (EF) |"A" A/A/A A2 A>(ce)c |"D" f/f/f ag fefg |] 
"A" agab aeea |"D" fgag{g} f2 ed |"A" cefg a>gfa |"A" eaca{c}"E" B2 AF |"A" Aaag aeea | 
"D" fgag{g} f2 ed |"A" cefg a>gfa |"A" ecac{c}"E" B2 AF |]  