"The music's kind of oozing out of not just his hands, but his whole body," Boston Symphony managing director Mark Volpe says of the orchestra's new music director, Andris Nelsons. Marco Borggreve/Boston Symphony Orchestra hide caption

itoggle caption Marco Borggreve/Boston Symphony Orchestra

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

itoggle caption J.D. Scott/Atlanta Symphony Orchestra

Amir Pinkney-Jengkens, 8, is learning trombone through Harmony Project, a nonprofit that provides musical instruments and instruction to children in low-income communities. Recent research suggests that such musical education may help improve kids' ability to process speech. Annie Tritt for NPR hide caption

itoggle caption Annie Tritt for NPR

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

itoggle caption Ron Scherl/Redferns/Getty Images

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

itoggle caption Jonathan Ticler/Metropolitan Opera

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

itoggle caption Jeff Lunden/for NPR

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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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

itoggle caption Ken Howard /Metropolitan Opera

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

itoggle caption Astrid Stawiarz/Getty Images

New York Philharmonic principal trumpeter Philip Smith plays at New York's Park Avenue Armory in a performance in June 2012. Chris Lee/Courtesy of the New York Philharmonic hide caption

itoggle caption Chris Lee/Courtesy of the New York Philharmonic

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

Stephanie Blythe (left) as Gertrude Stein and Elizabeth Futral as Alice B. Toklas in the Opera Theatre of Saint Louis' 2014 production of 27. Ken Howard/Opera Theatre of Saint Louis hide caption

itoggle caption Ken Howard/Opera Theatre of Saint Louis

Andrew Stenson plays Pvt. Danny Chen in An American Soldier, a new opera about the hazing and death of the Chinese-American soldier from New York City. Sarah Tilotta/NPR hide caption

itoggle caption Sarah Tilotta/NPR

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