Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:6/8
K:G
['GFG DB,A, G,B,D GBd gfg dcB', 'gfg dcB']  
X:1
L:1/8
M:6/8
K:G
 D | GFG DB,A, | G,B,D GBd | gfg dcB | AcB AGF | GFG DB,A, | G,B,D GBd | gfg dcB | AGF G2 :: d | 
 gfg dcB | gab agf | gfg dcB | Aag fed | gfg dcB | gab agf | edc BAG | AGF G2 ||  