Today, STS9 has announced the dates and support for their highly anticipated annual Red Rocks Amphitheatre run in Morrison, Colorado. The two-night run across September 7th and 8th is marketed as “Cave of Crystals” and will see headlining performances by STS9 following two supporting acts each night. On Friday, September 7th, What So Not and DJ Z-Trip will warm up the crowd, while on Saturday, September 8th, TAUK and Cut Chemist will have the opening honors.As the band stated in their show announcement, “We’re once again returning to one of our favorite places on the planet for a 2-night RRX adventure!! Join us as we fill this legendary space with sound, light, and wonder Our mission: create a cavern of dreams where we can explore new worlds and continue to discover what’s real & imagined…”STS9’s upcoming Cave of Crystals Red Rocks run in September follows the band’s triumphant three-night 20th-anniversary run at the iconic outdoor venue last year. Notably, during those shows, Tribe played the entirety of their seminal 2005 release Artifact on Friday night and closed out the weekend with one of their beloved “Axe The Cables” acoustic sets.Tickets for STS9’s upcoming Red Rocks run this September go on sale to the public on Friday, April 13th. Currently, pre-sale tickets, VIP experiences, and two-day passes are on sale now and available for purchase here.