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
['', 'G2 GF G2', '(3efg cGEG cABc d2 de dABc']  
X:1
L:1/8
M:4/4
K:G
 dc |: B2 BA BcdB | A2 AG AFDB | cBcd efgf | edd^c d2 Bd | e^def agfe | d2 de d2 (3Bcd | 
 ed^ce d=cAF |1 G2 GF G2 dc :|2 G2 GF G2 gf || =f2 ge eddc | e2 (3efg e2 (3efg | cGEG cABc | 
 d2 de dABc | BAGA (3Bcd gf | =f2 ge eddc | e2 (3efg e2 (3efg | cGEG cABc | d2 de dABc | BA G4 de | 
 =f2 fd ^fg a2 | a4 d2 fg | abaf ||  