The concert, celebrating the 25th anniversary of the renowned franchise with iconic songs from the historic series. Filmed in Colorado at the renowned Red Rocks Park and Amphitheatre, the concert celebrates the essential role music has played in the series since its debut 25 years ago. Joined by Primus and Ween, Parker and Stone will perform many fan favorites. Primus and Ween will also collaborate with their own songs in honor of their long-standing relationship with South Park.