Jessye Norman performs late on June 6, 2008 during the 14th Sacred World Music Festival. Abdelhak Senna/AFP/Getty Images hide caption

itoggle caption Abdelhak Senna/AFP/Getty Images

Valentina Lisitsa's new album, Chasing Pianos, features music from Michael Nyman's score to the 1993 film The Piano. Alexei Kuznetsoff/Courtesy of the artist hide caption

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When hitting a high note, mezzo-soprano Dolora Zajick says, "You have to have support. You have to have resonance. People have to understand what you're saying." David Sauer/Courtesy of the artist hide caption

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Star violinist Gil Shaham, whose newest recording project surveys the wildly different violin concertos of the 1930s. Luke Ratray/Courtesy of the artist hide caption

itoggle caption Luke Ratray/Courtesy of the artist

Benedictines of Mary, Queen of the Apostles. Courtesy of the artist hide caption

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Tom Randle (left) and Daniel Okulitch in the opera Brokeback Mountain. Javier del Real/Courtesy of the artist hide caption

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Pioneering American violinist Maud Powell (1867-1920). Wikimedia Commons hide caption

itoggle caption Wikimedia Commons

A Chinese student at the 1989 Tiananmen Square protests, where speakers playing Beethoven's Ninth Symphony were rigged up to drown out government broadcasts. Battle Hymns Productions hide caption

itoggle caption Battle Hymns Productions

Left to right: Kamala Sankaram as Mukhtar Mai, Steve Gokool, Theodora Hanslowe, Leela Subramaniam, Kannan Vasudevan, Manu Narayan. Prototype Opera Festival hide caption

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Pianist Lang Lang sits down with his own revered mentor Gary Graffman, to discuss what makes great teachers — and bad ones. Courtesy of the artist hide caption

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The Hilliard Ensemble, active in the early music world since 1973, will end its long tenure in 2014 with one last world tour. Marco Borggreve/Courtesy of the artist hide caption

itoggle caption Marco Borggreve/Courtesy of the artist

From left: Video director Joe Sabia, bassist Michael Thurber and recording engineer Matt McCorkle of CDZA. Courtesy of the artist hide caption

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Yuja Wang at NPR's studio in Washington, D.C. Denise DeBelius/NPR hide caption

itoggle caption Denise DeBelius/NPR

Benjamin Britten takes a cup of tea during rehearsals for his War Requiem at Coventry Cathedral, in Coventry, England in May, 1962. Erich Auerbach/Getty Images hide caption

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Jeremy Denk played Mozart at Carnegie Hall Wednesday with the San Francisco Symphony. Eric Thayer for NPR Music hide caption

itoggle caption Eric Thayer for NPR Music