Question: Christine Ebersole appeared on Broadway in what musical, based on a 1975 documentary?
Sentence (from "Grey Gardens (musical)"): Grey Gardens is a musical with book by Doug Wright, music by Scott Frankel, and lyrics by Michael Korie, based on the 1975 documentary of the same title about the lives of Edith Ewing Bouvier Beale ("Big Edie") and her daughter Edith Bouvier Beale ("Little Edie") by Albert and David Maysles.
Relevant evidence: Yes