"South Park: The 25th Anniversary Concert" Celebrating 25 years of the animated sitcom South Park at the famed Red Rocks Amphitheatre in Morrison, Colorado, this 3 LP package features South Park creators Trey Parker and Matt Stone, along with Primus and Ween, performing a variety of songs made famous by the show. Also included is a special guest appearance by Rush's Geddy Lee and Alex Lifeson.