Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:2/2
K:C
['c2 Bc', 'ed d2']  
X:1
L:1/8
M:2/2
K:C
 c2 Bc AcGA | c2 ec gcec | c2 Bc AcGc | eaag ed d2 :: ed d2 edcd | ed d2 eaag | ed d2 edcA |1 
 c3 d eaag :|2 c3 d eage ||  