Supercrawl 2020 cancelled due to coronavirus pandemic It’s an idea that Tim Potocic, festival director and co-owner of Sonic Unyon, had proposed in the past, but wasn’t taken up by the city until it was clear that there would need to be innovative solutions to hold live performances while limits on social gatherings remain in place.The September shows will be much smaller than the enormous concerts that Potocic had initially envisioned, but he said he hopes people feel safe enough with the set-up they’ll be building.“The entire roof of the parking garage is quite massive,” said Potocic, “and we’re just using the space we need to officially socially distance 100 people and the stage and the artists from the audience.