Chad Smith

The drummer has participated in a whole lot of session work over the years — some of these may surprise you.

It was followed by an all-star performance of the band's music featuring Sammy Hagar, Slash, Chad Smith, Demi Lovato and Kelly Clarkson.

"This f---ing guy. What a prick!”

Actor and drummer make return appearances with Dave Grohl’s band – and this time Travolta dances.