Rush is one of Stone’s favorite groups and they wanted to surprise him with a message from singer Geddy Lee and guitarist Alex Lifeson, who appeared on the screen as “South Park” characters.

The Rush duo, playing together for the first time since Neil Peart’s death, were joined on drums by South Park co-creator Matt Stone. “This is one of the most amazing moments of my life ...

A stage filled with South Park creators Trey Parker and Matt Stone, the rock bands Primus, Ween and even Rush icons Geddy Lee and Alex Lifeson isn't something that happens every day.