Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
M:6/8
K:Emin
['EFG GAB AFG EFD EGB', 'gfe a3 gfe dBA B2 f g2']  
X:1
L:1/8
M:6/8
K:Emin
|: EFG GAB | AFG EFD | EGB edc | BcA B3 | EFG GAB | AFG EFD | EGB cBA |1 GED E2 D :|2 GED EGB |: 
 e3 dBA | Bef gfe | a3 gfe | dBA B2 f | g2 b afg | efd eBd | ABG cBA |1 GED EGB :|2 GED E2 D ||  