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
['BGG Add BdB BAG BGG ADD GBA', 'GBd g3', 'GBB Bcd cAA']  
X:1
L:1/8
M:6/8
K:G
 BGG Add | BdB BAG | BGG ADD | GBA GED | BGG AFF | BGG ABc | dge fed | cAF G3 :: GBd g3 | fed cAF | 
 GBd g3 | faf g3 | faf gfg | fed cAF | faf gfe | ded dcA :: GBB Bcd | cAA AFD | GBB BAG | BdB cBA | 
 GBB Bcd | cAA ABc | dge fed | cAF G3 :|  