Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:2/2
K:Edor
['B2 dB AF F2 dFAF EFGA', 'g3 a bgeg']  
X:1
L:1/8
M:2/2
K:Edor
 Beed B2 dB | AF F2 dFAF | EFGA BAFB | ABdf eB B2 | e3 d B2 dB | AF F2 dFAF | EFGA Bdef |1 
 gefd Beed :|2 gefd Beef |: g3 a bgeg | fefg afdf | g3 a bgeg | (3fed ed Beef | g3 a bgeg | 
 fefg afdf | g2 bg f2 af |1 gefd Beef :|2 gefd Beed ||  