Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:4/4
K:A
['e2 c2 B2 AB c2 A2 (F2', '(c2 c2) (F2 F)G (A2 A2) (C2']  
X:1
L:1/8
M:4/4
K:A
|: e2 c2 B2 AB | c2 A2 (F2 F)G | ABAF EFAB | cefc ecBA | e2 c2 B2 AB | c2 A2 (F2 F)G | ABAF EFAB | 
 cABG (A2 A2) :: (c2 c2) (F2 F)G | (A2 A2) (C2 C)B, | A,2 A2 EFAB | cefc ecBA | (c2 c2) (F2 F)G | 
 (A2 A2) (C2 C)B, | A,2 A2 EFAB | cABG (A2 A2) :|  