Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:6/8
K:G
['GFG AGA Bee dBA BAB GAB', 'fed ege dBA']  
X:1
L:1/8
M:6/8
K:G
|: D | GFG AGA | Bee dBA | BAB GAB | AGE GED | GFG AGA | Bee dBA | BAB GAB | AGF G2 :: f | 
 gfe fed | ege dBA | Bee dBA | Bee e2 f |1 g3 fed | ege dBA | BAB GAB | AGF G2 :|  