Wiz Khalifa, Juicy J, Method Man, Redman + Busta Rhymes Red Rocks Show To Redefine 'Rocky Mountain High' Posted on September 1, 2021September 1, 2021 by Fresherati But bginning October 4, concert attendees will be required to show either proof of vaccination or a negative COVID test within 72 hours. Posted in News | Leave a reply