Vancouver-based musician Sarah McLachlan says working on the new documentary "Lilith Fair: Building a Mystery" kicked up old emotions tied to her memories of the influential all-female tour. But she says if it were ever to be revived for another iteration it would have to be done by a younger artists. The film is streaming on CBC Gem and premieres on Hulu in the United States on Sept. 21. (Sept. 17, 2025)