STS9 have both confirmed their annual Red Rocks appearance and added several acts to their RE:Generation Festival. The group will return to Morrison, CO’s Red Rocks Amphitheatre on June 16, and STS9 will host RE:Generation at North Plains, OR’s Horning’s Hideout from June 21-24. In addition to multiple STS9 shows, the Oregon fest will feature performances by Big Gigantic, MiM0SA and Ghostland Observatory. Additional acts will be confirmed in the coming weeks. STS9 has performed at Red Rocks every year since 2003 and has consistently headlined the famed stage since 2006.