STS9 will bring back In the Round sets during their upcoming shows at Morrison, CO’s Red Rocks Amphitheatre. On both nights of their upcoming Red Rocks run, STS9 will have support acts play In the Round sets during their intermission. WELDER will perform on September 6 and Gold Panda will play on September 7. As previously reported, NAS, Tycho, araabMUZIK and XXYYXX will open for STS9 during their two-day Red Rocks run. Tickets are now onsale.