Create a composition by utilizing the given alphabet-based musical pattern and the provided melodic theme.
X:1
L:1/8
M:3/4
K:C
['E3 EFE B3', 'cde dee ege Acc']  
X:1
L:1/8
M:3/4
K:C
|: E3 | EFE | B3 | BAB | c5 | d | cAG | F3 | E3 | EFE | B3 | BAG |1 A5 | d | cAG | F3 :|2 A4 | cc | 
 fed | edB |: Gcc | cde | dee | ege | Acc | cAd | cAG | F3 | Ecc | cde | dee | ege | Acc | cde | 
 fed | edB :|  