A worker unveils posters Tuesday for the coming season of New York's Metropolitan Opera. The Met's fall schedule could be in jeopardy if failed labor negotiations result in a lockout Friday. John Moore/Getty Images hide caption

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Bryn Terfel as Wotan in the Met's production of Wagner's Ring cycle, one of the productions that has been criticized by some as too costly. Ken Howard /Metropolitan Opera hide caption

itoggle caption Ken Howard /Metropolitan Opera

Glenn Dicterow joined the New York Philharmonic as its concertmaster in 1980. He has performed as its soloist every year since. Chris Lee/Courtesy of the artist hide caption

itoggle caption Chris Lee/Courtesy of the artist

Wigs play an especially important role in the drama Casa Valentina. The play features Reed Birney (standing) as Charlotte, one of several male characters who spend their weekends dressing and living as women. Matthew Murphy hide caption

itoggle caption Matthew Murphy

Music collective Bang on a Can All-Stars is one of the musical partners sharing a bill with the New York Philharmonic during the Biennial. Konstantin Sergeyev/Courtesy of the artist hide caption

itoggle caption Konstantin Sergeyev/Courtesy of the artist

Singer Idina Menzel (center) and Frozen songwriters Bobby Lopez (left) and Kristen Anderson-Lopez pose with gold records in February. Since then, the movie's soundtrack has sold over 1.5 million more copies. Alberto E. Rodriguez/Getty Images for Disney hide caption

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Daniel Radcliffe (right) plays Billy, in a scene with Pat Shortt as Johnnypateenmike, in the Broadway production of Martin McDonagh's The Cripple of Inishmaan. Johan Persson /Michael Grandage Company hide caption

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Ten years after first directing A Raisin in the Sun on Broadway, Kenny Leon is back with a new rendition of the play, starring Denzel Washington and Sophie Okonedo. (Also pictured, from left: David Cromer, Bryce Clyde Jenkins, LaTanya Richardson Jackson and Anika Noni Rose). Courtesy of Rinaldi PR hide caption

itoggle caption Courtesy of Rinaldi PR

Andy Karl stars in the musical adaptation of Rocky, the story of an underdog boxer who gets a shot at the world championship. "You have to honor, I think, the integrity of what the original film is, but not be constrained by it," says Rocky producer Bill Taylor. Matthew Murphey/Polk & Co. hide caption

itoggle caption Matthew Murphey/Polk & Co.