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:Bdor
['fBde eAce', 'fBde eAce fBbB']  
X:1
L:1/8
M:2/2
K:Bdor
|:"Bm" f2 Bb fBde | f2 Ba"A" eAce |"Bm" f2 Bb fBde |"^(D)" fgaf"A" eAce :|"Bm" fBdB fBde | 
 fBdB"A" eAce |"Bm" fBdB fBde |"^(D)" fgaf"A" eAce || |"Bm" fBdB fBde | fBdB"A" eAce | 
"Bm" fBbB aBgB |"^(D)" fgaf"A" !fermata!eAce |]  