Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:2/2
K:E
['e2{g} fe be{g}fe', 'BGFE D2 (F/4E/4D/) ADFA z AFA GE{F}ED']  
X:1
L:1/8
M:2/2
K:E
 e2{g} fe be{g}fe | defg afdf | e2{g} fe be{g}fe | d(B{c}B)A BE [B,E]2 | e2{g} fe be{g}fe | 
 defg a3 f | =gefd edBA | Bd=gf [Be]4 ::[K:Edor] EFGA BGFE | D2 (F/4E/4D/) ADFA | z AFA GE{F}ED | 
 EFGA BABd | (B/c/d)fd e4 :|  