So, I think Aqua's been ripped off...

[jade488]

http://www.youtube.com/watch?v=Z1VVXzIqkJg
fast forward to about 1:20 (when she starts singing "Halloweeen")

http://www.youtube.com/watch?v=cAatFe1jSHI
The opening riffs sound very familiar, if you ask me...