Compose a melodious orchestration that adheres to the designated chord structure.
'D', 'G', 'D', 'G', 'A', 'D', 'Em', 'D', 'A', 'D', 'Em', 'D', 'G'  
X:1
L:1/8
M:2/2
K:D
 B |"D" A2 AB AFED |"G" B2 BA BcdB |"D" A2 AB"^(F#m)" AFED |"G" gfed"A" Bc d :: e | 
"D" f2 fd"Em" g2 ge |"D" f2 fd"A" Bcde |"D" f2 fd"Em" g2 ge |"D" afed"G" Bc d :|  