Music Power Rankings: Katy Perry, Lady Gaga and Luke Bryan rule this week - HitFix

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HitFix (http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGHPKhMG4zt8eL7cOdy28kOOCdb9A&url=http://www.hitfix.com/news/music-power-rankings-katy-perry-lady-gaga-and-luke-bryan-rule-this-week)
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Music Power Rankings: Katy Perry, Lady Gaga and Luke Bryan rule this week (http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNGHPKhMG4zt8eL7cOdy28kOOCdb9A&url=http://www.hitfix.com/news/music-power-rankings-katy-perry-lady-gaga-and-luke-bryan-rule-this-week)
HitFix
Katy Perry: She comes â??roaringâ?? back with hot first new single from â??Prism,â?? as the single wins the battle between Perry and Lady Gaga's â??Applauseâ?? and is on track to sell close to 500,000 copies in its first week. 2. Luke Bryan: Country superstar's ...




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Courtesy of http://www.LadyGagaMusic.co