The song features American rapper Pharrell Williams, who told MTV News how his vocals ended up on the song. "We just kept seeing each other at festivals," Williams said. "We were doing a show and they did this beat that they played in their set, and I was like, 'Man! That beat is crazy!' Finally, he was like, 'Look, just one of these days, can you drop by the studio and just do something?' I played a couple of chords and sang, 'I wanna know your name.' It was really quick and really simple. So those guys just chopped it up and just used it as they did. They are really talented guys."