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:Ador
['e/f/e/d/ ce ea ce dd/c/', 'Ac ec']  
X:1
L:1/8
M:2/4
K:Ador
 e/f/e/d/ ce | ea ce | dd/c/ Bd | dg BD | e/f/e/d/ ce | ea ce | dd/c/ BA | a2- a2 :| Ac ec | 
 ac ec | Ac ec | BA a2 | Ac ec | ac ec | e/f/e/c/ e/f/e/c/ | BA A2 :|  