10/15/2014 12:21 pm ET Updated Oct 15, 2014

Kara Walker on the bit of sugar sphinx she saved, video she's making

It's not very often that an artist talk sells out with the swiftness of a high-profile pop concert. But that was the case for a highly anticipated talk between artist Kara Walker, who is known for her phantasmagoric cut-paper installations, and filmmaker Ava DuVernay, who is at work on a biopic about Martin Luther King Jr. The pair was teamed up by the Broad as part of the museum's "Un-Private Collection" artist talk series. Within eight hours of putting the tickets on sale this summer, every last one was gone.

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