Compose a piece using the specified musical pattern based on the alphabet and the provided melodic theme.
X:1
L:1/8
M:6/8
K:G
['B{c} BAG BdB ABA GED G2 A']  
X:1
L:1/8
M:6/8
K:G
 D | G2 B{c} BAG | BdB ABA | GED G2 A |{c} BdB AGE | D2 B{c} BAG | BdB ABA | GED G2 A |1 BGG G2 :|2 
 BGG GB ||  