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
['E2 BE dEBE', 'afge fdec BABc']  
X:1
L:1/8
M:2/2
K:Edor
|:"^Irish Variation""Em" E2 BE dEBE | E2 BE"D" AFDF |"Em" E2 BE dEBE |"D" BABc dAFD :| 
"D" d2 fd"A" c2 ec |"D" defg afge | d2 fd"A" c2 ec |"G" BABc dAFA |"D" d2 fd"A" c2 ec | 
"D" defg a2 fg | afge fdec |"Em" BABc dAFD ||"^Cape Breton variation""Em" E/E/E BE dEBE | 
 E/E/E BE"D" AFDF |"Em" E/E/E BE dEBE |"D" BABc dBAF |"Em" E/E/E d2 E/E/E c2 | E/E/E B2"D" AFDF | 
"Em" E/E/E dE cEBE |"D" BABc dAFA ||"D" d/d/d fd"A" (cd)ec |"D" defg afge | d/d/d fd"A" (cd)ec | 
"G" BABc dAFA |"D" d2 fd"A" (cd)ec |"D" defg afge | afge fdec |"Em" BABc dAFD ||  