Create music using the given musical theme and adhere to the outlined letter-based structure.
X:1
L:1/8
M:2/4
K:A
['A>B cA BA']  
X:1
L:1/8
M:2/4
K:A
"A" A>B cA |"D" BA ce |"A" A>B cA |"D" BA F2 |"A" A>B cA |"D" BA ce | A>B AF |"E" FE E2 :: 
"A" e>f ec |"D" BA Bc |"A" e>f ec |"D" BA F2 |"A" e>f ec |"D" BA Bc | A>B AF |"E" FE E2 :|  