Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
Q:1/8=364
M:4/4
K:G
['G2 AB c2 (3cBA GABc d4 dedc', 'd2 dfge']  
X:1
L:1/8
Q:1/8=364
M:4/4
K:G
"^A" G2 AB c2 (3cBA | GABc d4 | dedc B2 B2 | AGAB G4 ||"^B" dfge f2 d2 | dfge f2 d2 | dfge edcB | 
 cedc B2 A2 ||  