Pitbull shares his inspiration behind "Party Ain't Over" featuring Usher and Afrojack. Global Warming is now available on iTunes: http://smarturl.it/GlobalWarming<br /><br />Subscribe: http://bitly.com/Pibull_YouTube<br />Facebook: http://bitly.com/Pitbull_Facebook<br />Twitter: http://bitly.com/Pitbull_Twitter
