Consequence of Sound — So solid Em, Katy Perry, and R. Kelly aren't even in the Top 5. more info

411 Mania — Plus an update on Lady Gaga's "Applause"... more info

411 Mania — Beware the wrath of Katy... more info

USA Today Music — Singer talks about 'Who You Love' duet featuring his pop star girlfriend. more info

411 Mania — Is Nine Inch Nails' "Copy of A" a true original? Is Katy Perry's "Roar" more of a meow? Do we like Justin Timberlake's latest single? 411's Sean Walker and Robert Cooper listen to these tracks and more! more info

Sky News — The 'I Kissed A Girl' singer questions opposition leader Tony Abbott during a 'respectful' disagreement on a Sydney radio station. more info

411 Mania — She's starting a new chapter in her life... more info

411 Mania — He played guitar... more info

L.A. Times - Pop & Hiss — How similar is Katy Perry’s new single “Roar” to Sara Bareilles’ “Brave,” a track from her latest album "The Blessed Unrest?" more info

411 Mania — "Roar" and "Applause" are hits... more info