Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:2/2
K:G
['G2 BG ABcA defd gfdc BGBd', 'G2 Bd gfga gfdf gabg afde fd']  
X:1
L:1/8
M:2/2
K:G
 (3DEF | G2 BG ABcA | defd gfdc | BGBd c2 AF | G2 (3AGF DEFD | G2 BG ABcA | defd gfdc | 
 BGBd (3cdc AF | G2 (3AGF G2 :| Bd | gfga gfdf | gabg afde | fd (3efg afge | fd (3edc dcAF | 
 G2 BG ABcA | defd gfdc | BGBd (3cdc AF | G2 (3AGF G2 :|  