Develop a musical composition by integrating the alphabetically represented musical pattern and the supplied melodic theme.
X:1
L:1/8
M:2/2
K:Edor
['AD (3FED']  
X:1
L:1/8
M:2/2
K:Edor
"^em" Beed BcdB |"D" AD (3FED AD (3FED |"^em" EDEF GFGA | Beef gfed | Beed BcdB | 
"D" AD (3FED AD (3FED |"^em" EDEF GFGA |1 Beed e3 d :|2 Beed e2 ef |:"^em" gfga bgeg | 
"D" fefg afdf |"^em" gfga bgeg |"D" fedf"^em" edef |"^em" gfga bgeg |"D" fefg afdf | 
"^em(G)" g2 bg"D" f2 af |1"^em(C)" edef gfef :|2"^em" edef edBA ||  