This song was the first single from Usher’s EP “Versus”. As a single it reached number five on Billboard’s Hot 100, which did not quite measure up to his number one hit “OMG”, that he did with will.i.am earlier that year, and was featured on his “Raymond v. Raymond” album. For Pitbull it continued a strong year as featured artist, after his performance on Enrique Iglesias' hit “I Like It” from earlier that year

The lyrics are pretty straight-forward, about the club scene as a place to unwind and let loose. Usher asks a girl if he’s seen her before, either as a tired pick-up line, or from a genuine sense of deja-vu. Pitbull chimes in with a mix of bragadaccio and sexual innuendo. There are in fact two versions of the song, one in which Pitbull’s rap contains a lot more Spanglish, perhaps intended for a Hispanic audience. This, however, is the version featured in the official video