First Avenue to require vaccine proof or test results at all concerts Concert promoter says policy is effective immediately at all its venues. The Hook & Ladder followed suit for indoor shows. August 2, 2021 — 4:52pm Text size Copy shortlink: Concertgoers will have to show proof of full COVID-19 vaccination or negative test results to get into a show at First Avenue or any of its sister venues. The Twin Cities' leading independent concert promoter announced the new policy Monday — effective immediately — following a steady wave of reports on rising COVID-19 cases around the country attributable to the delta variant, including news from New Orleans of two famous venues shutting down after workers there tested positive for the virus.