Mike Ruiz​They say man can't exist on indie-rock and metal alone, or something like that. Rocks Off firmly agrees, so when we hear good mainstream pop we ride that horse for all it's worth. That's why a little over a year ago, when Katy Perry hit with her single "Ur So Gay," we were enamored with the raven-haired California native. It wasn't quite bubblegum, and it wasn't quite rock and roll, but it was catchy as hell. Plus it was delivered in such a non-plussed pinup/rocker-girl motif, that m