Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/16
M:2/4
K:A
['', '(AG) EAAG ABcd efec d2(cd) |1 edcB', '', 'd2(cd) edcB ABcA BGEF']  
X:1
L:1/16
M:2/4
K:A
"^A" | (AG) |: EAAG ABcd | efec d2(cd) |1 edcB ABcA | BGEF G2(ED) :|2 eaab aged | c2A2 A2 |]"^B" |] 
 (ef) | gfga g2(ef) | gfec d2(cd) | edcB ABcA | BGEF G2 |]  