Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/8=128
M:4/4
K:A
['F2 E>A c>A B2']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:A
|: A | E>A c<A B>A F2 | E<A c<A e>A c2 | d>f c<a B>A F2 | E>A c>A B2 A2 | E>A c<A B>A F2 | 
 E<A c<A e>A c2 | d>f c<a B>A F2 | E>A c>A B2 A2 | e>c a>c d/c/B/A/ F2 | e>c a>c e/c/e/f/ a2 | 
 f>e a>c d/c/B/A/ F2 | E>A c>A B2 A2 | e>c a>c d/c/B/A/ F2 | e>c a>c e/c/e/f/ a2 | 
 f>e a>c d/c/B/A/ F2 | E>A c>A B2 A :|  