the whole lot are faintly patronising and fail teh first tets fo any cover ie trying to be as good as if not better than the original or at least showing some new light.
I know form previoud throead that i'm the only eprson to find mash-ups fairly dull and little more than one shot novelties, I think I don't hold the rock canon in high enough regard to be shocked by the juxapostions also after the intial hook most of them don't go anywhere.