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:A
['a2 defg']  
X:1
L:1/8
M:2/2
K:A
 g |"A" a2 ec"D" defg |"A" afec"E" dBBg |"A" a2 ec"D" defg |"E" afed"^(A)" cAAg | 
"A" a2 ec"D" defg |"A" afec"E" dBBc |"A" Ac (3(efg)"D" abaf |"E" ecBd"^(A)" cAA |] B | 
"A" c2 cA"D" d2 dB |"A" efec"E" dBBd |"A" c2 cA"D" defg |"E" afed"^(A)" cAAB |"A" c2 cA"D" d2 dB | 
"A" efec"E" dBBd |"A" Ac (3(efg)"D" abaf |"E" ecBd"^(A)" cAA |]  