About the film
Led Zeppelin Played Here is a 2014 documentary film directed by Jeff Krulik. The film centers around the Wheaton Youth Center, in Silver Spring, Maryland, where on January 20, 1969, Led Zeppelin supposedly performed on its first US tour. There are no known recordings, photographs, or any other physical evidence that the concert took place.
From the film's Wikipedia article (CC BY-SA 4.0).