INTERVIEW: Katy Perry Talks 'Roar' Leak, John Mayer Collaborations
Follow Ralphie on Twitter: http://twitter.com/ralphieaversa Katy Perry called Race Taylor and Ralphie Aversa at 95.5 PLJ to chat about her new single, "Roar," and forthcoming album 'Prism.' Perry also talked about the single leaking on to the Internet and collaborating with boyfriend John Mayer on this new album.