Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
M:4/4
K:Edor
['B E3 EDB,E DB,A,B, DEGA', '(3Bcd ef']  
X:1
L:1/8
M:4/4
K:Edor
 B E3 EDB,E | DB,A,B, DEGA | BEED EFGA | BAGB A2 GA | B E3 EDB,E | DB,A,B, DEGA | B3 A GBdB | 
 AFDF E3 A || (3Bcd ef febe | fdad fdad | (3Bcd ef febe | fedf efed | (3Bcd ef ggeg | fedf edBA | 
 FEFA dcdB | AFDF E2 FA ||  