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:Edor
['Beef e2 de']  
X:1
L:1/8
M:2/2
K:Edor
|:"Em" EB B2 dB B2 | EBBA"D" FDFA |"Em" BE E2 B3 c |1"D" dffe dBAF :|2"D" dffe dB A2 || 
"Em" Beef e2 de |"D" fede"Em" fe e2 |{g} febe{g} febe |"D" fede"Em" fe e2 |"Em" Beef e2 de | 
"D" fede fa a2 |"G" b2 bf"D" a2 af |"Em" egfe"D" dBAF |]"Em" !fermata!E4 |]  