Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:2/4
K:D
['FA A/B/d/e/ f>d ed']  
X:1
L:1/8
M:2/4
K:D
|:"D" FA Ad |"G" B/c/d"D" A>F |"G" GB"D" AF |"Em" BE"A7" G/F/E/D/ |"D" FA Ad |"G" B/c/d"D" A>F | 
"Em" GB"A7" A/B/A/G/ |"D" FD D2 ::"D" FA A/B/d/e/ |"D" f>d ed |"G" Bd"D" AF |"Em" BE"A7" G/F/E/D/ | 
"D" FA A/B/d/e/ |"D" f>d ed |"G" Bd"A7" A/B/A/G/ |"D" FD D2 :|  