Arcade Fire in a London Fog

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The art of concert streaming and performance should have evolved during the COVID pandemic, as artists and audiences looked to replace touring and live events. Bob Boilen's long-running NPR Tiny Desk concerts provided a template. Before lockdown in 2020, Harry Styles squeezed his band into Boilen's cramped radio studio. It was a turning point in enhancing the credibility of the former boy band singer and revealed a fast-maturing artist with songs and charm to spare. His sweater a embroidered with a mysterious chicken-with-a-vest was one of those sartorial statements that justified going viral. For two years, everybody went acoustic, went small.

But Arcade Fire is emerging from the lockdown with the kind of Big Statement events that attempt to justify its place as the last of the Big Time rock bands. The collective based in Montreal has a new album, "WE" out May 6. To advance the buzz, Arcade Fire was one of the inaugural artists to perform Friday night at the opening of Koko, a much lo…