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:A
['', 'A>B c>B A>c e>f e<d c2 (e>a)', 'd>A B>A F>D C>E A<c e2 (e>f)']  
X:1
L:1/8
M:2/4
K:A
 (E |: A>)G A>B | c>B A>c | e>f e<d | c2 (e>a) | b2 b2 | B>c d<B | e2 e2 | e>[de] [ce]2 | A>G A>B | 
 c>B A>c | e>f e<d | c2 (e>a) | b2 b2 | B>d (3(efg) | a2 a2 | a3 (e ::[K:D] f>)d d>A | B>A F>D | 
 C>E A<c | e2 (e>f) | g2 (3(gag) | c>d (3(efe) | [fA]2 [fA]2 | [dD]3 (e | f>)d d>A | B>A F>D | 
 C>E A<c | e2 (e>f) | g2 (3(gag) | c>d (3(efe) | [dD]2 [dD]2 |1 [dD]3 e :|2 [dD]3 z |]  