I've gotten it a lot recently, especially during peak hours in the mainland America.
I think it's the fact that she is singing for an INTERNATIONAL movie (Dragonball Z), and the song is available for DL here. Plus, this is one of the first sites to come up on Google search (you can try if you want
), and Wikipedia also cites this site for information. The fact that AHS is all over the place is great publicity, but these servers cannot handle.
It may be wise to upgrade servers to handle the large traffic in the future, but I think we should wait it out until we know the registration numbers are going up considerably.