Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/4
M:3/2
K:C
['D2 E2 E2']  
X:1
L:1/4
M:3/2
K:C
 G2 G2 D2 | E2 E2 D2 | C2 C D E2 | D4- D2 | G2 G2 D2 | E2 E2 D2 | C2 C D E2 | D4- D2 | E2 E2 F2 | 
 G2 G2 F2 | E2 D C D E | C4- C2 |]  