Watch Rush legends Geddy Lee and Alex Lifeson reunite alongside Primus onstage for Closer To The Heart performance

(Image credit: Kevin Mazur/Getty Images for Comedy Central)

Well, we weren't expecting this; Geddy Lee and Alex Lifeson performed Rush music together again onstage last night (10 August), alongside Primus and South Park co-creator Matt Stone.

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.

Classic interview: Alex Lifeson talks Rush Moving Pictures track-by-track

Rob is the Reviews Editor for GuitarWorld.com and MusicRadar guitars, so spends most of hi waking hours (and beyond) thinking about and trying the latest gear and making sure our reviews team is giving you thorough and honest tests of it. He's worked for guitar mags and sites as a writer and editor for nearly 20 years but still winces at the thought of restringing a Floyd Rose guitar.