As previously announced, STS9 will open up their 20th anniversary celebration with a three-night run at Colorado’s famed Red Rock Amphitheatre, and the band has released more information about the shows, including supporting acts and theme nights.

For the first show on September 8, STS9 will perform their 2005 album Artifact in its entirety, while the closing night on September 10 will feature an “Axe the Cables” acoustic set.

Set to support the band on September 8 are Nightmares on Wax, El Ten Eleven and Moon Boots, while Michal Menert, Sub-ID and Richard Devine will take over duties the following night. The September 10 finale will feature support from Troyboi, LTJ Buken featuring Armanni Reign and Soul Clap.

Tickets for the three-night run go on sale this Friday, April 21.