Katy Perry's 'Roar' Debuts on Pop Songs Chart, Heading for Hot 100 – Billboard

To no one's surprise, Katy Perry's new single "Roar" is off to a roaring good start. The song leaked prematurely to the Internet on Saturday, Aug. 10 -- two days before its planned premiere today (12).

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Katy Perry's Pop Songs Chart Reign Continues With The Rise Of 'Roar

Katy Perry's 'Roar': Already a Career Best, Sets 2013 Digital Record

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Katy Perry Makes Hot 100 History: Ties Michael Jackson's Record – Billboard

Nine years ago, it was Lady Gaga's Applause vs. Katy Perry's Roar—but which ended up on top? - Queerty

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