"Reperformance" and Memory

Is the restaging of a ballet an act of remembrance? Is a performance, by definition, something with a beginning and an end that can't be recreated? Why are works of performance art worth preserving? Join Pannill Camp and Christine Knoblauch-O'Neal, both professors within the Performing Arts department at Washington University in St. Louis, as they discuss the concept of "reperformance."