Toronto’s Hummingbird Centre for the Performing Arts, reeling from the recent departures of its two resident companies, is moving to rebrand itself as “a multipurpose, multicultural facility.” But more than a repurposing will be necessary to keep the center humming: a new business plan recently approved by Toronto’s city council compels Hummingbird to raise $60 million in the next year, or face becoming a tenant of the real estate company that’s spearheading the center’s ongoing expansion project.