Develop a musical composition using both the specified melodic theme and the alphabetical pattern naming.
X:1
L:1/8
M:12/8
K:A
['f3 eae', 'e2 A']  
X:1
L:1/8
M:12/8
K:A
|: Ace f3 eae f3 | eae fec B3 B2 c | Ace f3 eae f3 | eae fec B2 A A3 :: e2 A cBA e2 A c2 e | 
 f2 a ecA B3 Bcd | e2 A cBA e2 A c2 e |1 f2 a ecA A3 c2 d :|2 f2 a aga aga c2 B ||  