The music documentary 'Lilith Fair: Building a Mystery' premiered on CBC and CBC Gem.

Sarah McLachlan cancelled musical performances planned for the Sunday premiere of her Lilith Fair documentary in Los Angeles, saying it was a gesture of solidarity to support free speech.

The Halifax-born singer-songwriter took the stage before the screening of Lilith Fair: Building a Mystery , telling the crowd that she and her fellow musicians had “collectively decided not to perform.”

The music documentary premiered on CBC and CBC Gem in Canada. It is distributed in the U.S. by ABC News Studios and Hulu, both of which are owned by Disney.

Last week, the company became embroiled in controversy over pulling late-night comedian Jimmy Kimmel from its ABC stations, after he said in his monologue that

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