Listen to Benny Benassi on iHeartRadio

Benny Benassi kicked off his set at the 2013 iHeartRadio Music Festival with a special performance of "Cinema" with Gary Go!

[PHOTOS: Benny Benassi live at the 2013 iHeartRadio Music Festival]

The song started off acoustic, then kicking it up a notch with some beats from Benny to accompany Gary's vocals ... then ... Benny dropped the bass, shaking the entire arena, when the sound of Skrillex's remix came pouring out of the speakers!

PHOTOS: Getty Images & Brian Friedman for iHeartRadio