Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:9/8
K:Emin
['B3 B2 A GFE GAB', 'B3 gfe']  
X:1
L:1/8
M:9/8
K:Emin
 B3 B2 A GFE | GAB B2 g f2 e | B3 B2 A GFE | GAB Bed edc | B3 B2 A GFE | GAB B2 g f2 e | 
 B3 B2 A GFE | GAB Bef edc || B3 gfe f2 e | B3 gfe fed | B3 gfe fga | fge efd edc | B3 gfe f2 e | 
 B3 gfe fga | abg agf gfd | fge efd edc ||  