Their rendition of Closer To The Heart was part of the 25th anniversary celebration of South Park at Red Rocks Amphitheatre in Morrison, Colorado.
Footage courtesy of Andrew Doel / YouTube
Les Claypool explains in the intro the the song that while he pushed Matt Stone to learn the parts on drums, he didn't even know Lee and Lifeson would be guesting at the event. Talk about nerve-racking!
Stone also joined Primus on vocal duty for a bespoke performance of 'Butters The Cat', a spin on fan favourite Butters The Cat, you can watch below.