Katy Perry's hit "One Of The Boys" single "Hot N Cold" just ascended to a new multi-platinum tier in the…
Insofar as "Roar" was essentially the perfect realization of the sound Katy Perry had been developing throughout her "One of…
Expected to begin its run with a lofty opening week sales performance, Katy Perry's "Prism" would be considered a disappointment--and…
The rules for promoting albums are changing, and for many artists, the result has been partnering with iTunes to release…