Icelantic's Winter on the Rocks, Moe., ZED's DEAD, The String Cheese Incident and More on Deck for Red Rocks 2018 The performance calendar for Red Rocks Amphitheatre is filling up fast with The String Cheese Incident recently announcing their plans to perform in July. We have an updated list featuring concerts set to take place just outside of Denver in Morrison, Colorado. The ampitheatre is connected to a rich history. Date Opened: June 15, 1941 Amphitheatre Seating Capacity: 9,525 Elevation: 6,450 ft For a full listing, browse over the Red Rocks main website. Red Rocks Amphitheatre 2018 Concert Schedule Date