Check out the below trailer for an upcoming new documentary on Mavis Staples of the Staple Singers, which is set to make its world premiere at the upcoming SXSW Film Festival, in March.

I had no idea that a documentary on Mavis Staples was in the works. That’s one aspect of the business I’m in that I love – learning about new projects that weren’t at all in my purview.

The film is directed by Jessica Edwards, and, per the SXSW press release, its synopsis reads: "Her family group, the Staple Singers, inspired millions and helped propel the civil rights movement with their music. After 60 years of performing, legendary singer Mavis Staples’ message of love and equality is needed now more than ever."

The complete festival lineup will be announced Tuesday, February 3, with the exception of Midnighter features, which will be revealed with the Short Film Program on Tuesday, February 10.

Celebrating its 22nd year, the SXSW Film Conference and Festival will take place March 13 – 21, 2015 in Austin, Texas.

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Watch the trailer for "Mavis!" below, courtesy of EW: