We've seen 1999 members of Choir! Choir! Choir! perform "When Doves Cry," a moving, mass tribute to Prince. And they're now back, 1500 strong, with Rufus Wainwright at the helm, singing Leonard Cohen's beloved and oft-covered song, Hallelujah." Performed at the Hearn Generating Station in Toronto, it must have been a wonderful thing to experience live in person.

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