Deceptive Cadence From NPR Classical

Robert Spano conducts members of the Atlanta Symphony Orchestra, who are now locked out for the second time in two years after failed contract negotiations. J.D. Scott/Atlanta Symphony Orchestra hide caption

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Four Organs by Steve Reich was performed Tuesday at the Brooklyn Academy of Music as part of the 50th anniversary of the Nonesuch label (from left: Philip Glass, Nico Muhly, David Cossin, Timo Andres and Steve Reich). Stephanie Berger hide caption

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Magda Olivero performing Francis Poulenc's one-woman opera La voix humaine at San Francisco Opera in 1979. Ron Scherl/Redferns/Getty Images hide caption

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The Metropolitan Opera has settled labor contracts with two of its largest unions. Jonathan Ticler/Metropolitan Opera hide caption

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Soprano Licia Albanese in an undated photo, posing as Violetta in Verdi's La traviata. Sedge LeBlang/courtesy of the Metropolitan Opera hide caption

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Members of the American Guild of Musical Artists and the American Federation of Musicians, two of the unions embroiled in contract negotiations with Metropolitan Opera management, rally this morning at Dante Park across from Lincoln Center. Jeff Lunden/for NPR hide caption

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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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An overhead shot of the performance of John Luther Adams' Sila at New York's Lincoln Center Friday evening. Kevin Yatarola/Courtesy of Lincoln Center hide caption

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Austrian pianist Paul Wittgenstein (who later became an American citizen) lost an arm in World War I. He commissioned composers including Maurice Ravel to write pieces for the left hand alone. Bettmann/CORBIS 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

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Metropolitan Opera General Manager Peter Gelb has warned union workers of a lockout if a contract deal isn't settled by July 31. Astrid Stawiarz/Getty Images hide caption

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The French horns of the National Youth Orchestra of the USA — a yearly summer project organized by Carnegie Hall — rehearsed Saturday in Purchase, N.Y., in advance of their tour around the country. Chris Lee/Courtesy of the National Youth Orchestra of the USA hide caption

itoggle caption Chris Lee/Courtesy of the National Youth Orchestra of the USA

Placido Domingo, José Carreras and Luciano Pavarotti at Dodgers Stadium in Los Angeles, with conductor Zubin Mehta. Courtesy of the artists hide caption

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