THE SOURCE OF J-LO'S NEW SMASH HITMORE:

NYC DJ Kevin Graves researches Jennifer Lopez's new chart-topper On The Floor, which began with this haunting Bolivian folk song 30 years ago.



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And while we're on the subject of pop derivatives, here's another track produced by RedOne. Or should that be Re-done?

Check out these two songs. They are very similar. After ripping off Madonna's Express Yourself for Born This Way, has Gaga now ripped off a lesser known artist? Sure sounds like it. And Judas is HORRIBLE!