Thanks to filmmakers Albert and David Maysles, the mother-daughter duo known as Big Edie and Little Edie (A.K.A. Edith Ewing Bouvier Beale and Edith Bouvier Beale) are pop-culture icons. But did you know that prior to their landmark 1975 documentary Grey Gardens — named after their sprawling, crumbling estate in East Hampton — the Maysles filmed another memorable encounter? That footage, pieced together and directed by Göran Hugo Olsson, results in the marvelous new film The Summer.

Shot the summer of 1972, the movie features a cast far wider than just the Beales. Here, the Maysles were just minor players, enlisted by artist Peter Beard and Lee Radziwill to help with a documentary on the creative community at Montauk. Beard, who had a house out there, was the original director. There are cameos by everyone from Mick and Bianca Jagger to Truman Capote to Andy Warhol, who shot some footage, too. Once Radziwill suggests a visit to the nearby Beales — Big Edie is her aunt and Little Edie, her cousin — the rest is history.

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