OMFG Of The Day: Katy Perry And Periphery Rocking Together?

A lot of times these YouTube mash-ups are complete failures. But sometimes they are just incredible. Below is an example of how two completely different styles can work together with the right touch. My only complaint is that Katy Perry’s vocals are way too loud in the mix, overpowering Periphery. Otherwise, it’s something I would definitely rock on my iPod.