Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:2/4
K:D
['d>c d>e d>A F>A', 'c>A e>A c/B/A e>A', 'd>c d>f']  
X:1
L:1/8
M:2/4
K:D
|: d>c d>e | d>A F>A | d>c d>d | e>f g>e | d>c d>e | d>A F>A | d2 f>e | d4 :: c>A e>A | c/B/A e>A | 
 B>G d>G | B>G d>G | c>A e>A | c/B/A e>A | d>e f>e | d4 :: d>c d>f | d>c d>f | e>d e>g | e2 e/f/g | 
 d>c d>f | d>c d>f | f2 f>e | d4 :|  