In March, Primus and Ween announced they would celebrate the 25th anniversary of South Park by performing at the legendary Red Rocks Amphitheatre in Morrison, Colo., on Aug. 10. Now, the bands have tacked on an additional night, Aug. 9, stemming from growing excitement over the upcoming event.

The show will also see appearances by the South Park creators, Trey Parker and Matt Stone, who shared in the initial press release, “We’re so excited to go home and play at Red Rocks, a place that’s been known for hosting the most legendary Artists and Musicians.”

For those interested in purchasing tickets for Primus and Ween’s explosive Red Rocks stand, ticket sales begin on Friday, June 10 at 10 a.m. M.T. Following this link for more information. 

Read the initial concert announcement here. 

See Ween’s Instagram post pertaining to the news below.