Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:4/4
K:G
['(3GGG GD EGDE (3GGG (3BBB (3ddd gd', '(3ggg (3aaa bgaf gfed BcdB']  
X:1
L:1/8
M:4/4
K:G
 D | (3GGG GD EGDE | (3GGG (3BBB (3ddd gd | eged Bdgd | edBc dBcA | (3GGG GD EGDE | 
 (3GGG (3BBB (3ddd gd | eged BcdB | cAFA G3 :| (3ggg (3aaa bgaf | gfed BcdB | (3ccc cA (3BBB BG | 
 ABcd edBd |1 (3ggg (3aaa bgaf | gfed BcdB | cBAc BAGB | AGFA G3 :|2 (3GGG GD EGDE | 
 (3GGG (3BBB (3ddd gd | eged BcdB | cAFA G3 ||  