Compose a piece of music that follows both the given musical theme and the letter-based structure provided.
X:1
L:1/8
Q:1/8=120
M:4/4
K:D
['D>AF>A D>AF>A d>ef>e d>cB>A e>Af>A', 'g>Af>A (3efe (3dcB (3ABA (3GFE D>AF>A D>AF>A']  
X:1
L:1/8
Q:1/8=120
M:4/4
K:D
 A>F |"D" D>AF>A D>AF>A | d>ef>e d>cB>A |"A" e>Af>A g>Af>A | (3efe (3dcB A>GF>E | 
"D" D>AF>A D>AF>A | d>ef>e d>cB>A |"A" e>Af>A g>ec>e |"D" d2 f2 d2 :: c>d | 
"A" e>A (3AAA f>A (3AAA | g>A (3AAA f>A (3AAA | e>Af>A g>Af>A | (3efe (3dcB (3ABA (3GFE | 
"D" D>AF>A D>AF>A | d>ef>e d>cB>A |"A" e>Af>A g>ec>e |"D" d2 f2 d2 :|  