STS9 have announced a few additions to their annual run at Morrison, CO’s Red Rocks Amphitheater, taking place over the weekend of June 16-17. These additions include an intimate “Axe the Cables” acoustic set, which will be performed prior to the screening of the #ReGENERATION documentary at the Boulder Theater on June 17. Additionally, progressive electro-pop duo Cherub will open up for STS9 on June 16 at Red Rocks.

STS9 have also released a recording of their set from this year’s Hangout Festival, which you can download for free at 1320Records.com.