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“Finding Neverland,” a new musical based on the 2004 film about the “Peter Pan” playwright J. M. Barrie, will begin performances on Broadway in March, a spokesman for the show’s producer, Harvey Weinstein, said on Wednesday. A tryout production of the musical is underway at the American Repertory Theater in Cambridge, Mass., where it will officially open on Wednesday night.

The spokesman, Rick Miramontez, said that the musical would run on Broadway at a theater owned by the Nederlander Organization, but he declined to confirm a specific one. Theater producers often announce plans for Broadway without confirming a theater since the availability of a house can change. Mr. Weinstein had been talking to the various Broadway landlords about options for months now; one prime house he was known to be eyeing, the St. James Theater, has an open-ended booking of the musical revival “Side Show” starting Oct. 28 and it is impossible to predict how long it will run. (The original “Side Show” closed after three-and-a-half months because of weak ticket sales.)

“Finding Neverland” has become an unusually high-profile musical project. It represents Mr. Weinstein’s first foray as a lead producer in theater after decades as a high-powered film producer with several Academy Awards for his movies and actors, including a best picture Oscar for “Shakespeare in Love.”

The musical has also drawn attention for its creative ups and downs. An earlier version of “Finding Neverland” drew mixed reviews during its multimillion-dollar tryout production in 2012 in Leicester, England, after which Mr. Weinstein scrapped the songs and script and hired a new creative team led by Tony Award-winning director Diane Paulus (“Pippin”). Then, in an unusual move, Mr. Weinstein worked with the producers of the 2014 Tony Awards ceremony to include a musical number from “Finding Neverland” on the CBS broadcast of the Tonys in June; the number was performed by Oscar winner Jennifer Hudson, who was not involved with the musical. It is rare for the Tonys broadcast to include a number from a show that has yet to run on Broadway (and, at the time, had no announced plans to run on Broadway).

“Finding Neverland” takes place in the early 20th century, depicting Barrie struggling with a flop play and a troubled marriage and then finding inspiration that leads him to write “Peter Pan.” The current production features a pop music score by Gary Barlow, a British singer who was a member of the band Take That, and Eliot Kennedy, a British songwriter and record producer who has worked with the Spice Girls and others. It also has contemporary choreography by Mia Michaels, who is best known for her work on the television series “So You Think You Can Dance.” The show stars Tony nominee Jeremy Jordan (“Newsies”) as Barrie and Laura Michelle Kelly (“Mary Poppins”) as Sylvia, the mother of the boys who stir ideas for “Peter Pan” with Barrie. (Johnny Depp and Kate Winslet played those roles in the movie.) Casting for Broadway was not announced on Wednesday.