Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/4
M:3/4
K:A
['D C2 A E2']  
X:1
L:1/4
M:3/4
K:A
 E |"E7" G2 F | E E D |"A" C2 A | E2 D | C2 A | E2 D | C2 A | E2 E |"E7" G2 F | E E D |"A" C2 A | 
 E2 E |"E7" G2 F | E2 D |"A" (C3 | C) z z |]  