Among the shows we most regret were canceled or postponed: BTS, Taylor Swift, Billie Eilish, Nathaniel Rateliff, The Killers, Mew, Guns N’ Roses, Metallica, BottleRock Napa Valley, Bad Religion, Rage Against the Machine, My Chemical Romance, Bob Dylan, Outside Lands, Kraftwerk, Supergrass, Roger Waters, Tame Impala, The Airborne Toxic…