Pope Benedict XVI addresses the audience at Milan's La Scala opera house where he heard a performance of Beethoven's Symphony No. 9 conducted by Daniel Barenboim. Daniel Dal Zennaro/AFP/Getty Images hide caption

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Disgraced former IMF chief Dominique Strauss-Kahn leaves court in Paris Tuesday after attending a hearing regarding his seizure request for a new book by Argentinian-born Marcela Iacub detailing their liason. Kenzo Tribouillard/AFP/Getty Images hide caption

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Conductor Colin Davis concludes his cycle of Carl Nielsen's symphonies with the London Symphony Orchestra. LSO Live hide caption

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Carl Nielsen: Symphony No. 2 - 'Allegro sanguineo' (London Symphony Orchestra, Colin Davis, cond.)

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Composer Peter Lieberson wrote his Neruda Songs for his wife, mezzo-soprano Lorraine Hunt Lieberson. Johansen Krause/Peter Lieberson hide caption

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Measures Of Affection: Five Musical Love Letters

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Violist Nadia Sirota. Samantha West/courtesy of the artist hide caption

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Hear Nadia Sirota Play Greenstein's 'In Teaching Others We Teach Ourselves'

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Members of eighth blackbird performing at the pre-telecast Grammy Awards Sunday. Kevork Djansezian/Getty Images hide caption

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Cantus performs a Tiny Desk Concert on Dec. 3, 2012. Ryan Smith/for NPR hide caption

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Cantus: Tiny Desk Concert

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Reneé Fleming (right) and Susan Graham — two "cheerful Americans" often mistaken for each other — are planning an intimate evening of French song. Craig T. Mathew/Mathew Imaging hide caption

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Reneé Fleming And Susan Graham At Carnegie Hall

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The mountainside Montserrat monastery, north of Barcelona, inspired Paul Moravec to write a cello concerto. Luis Davilla/Cover/Getty Images hide caption

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Martin Luther King Jr. waves to supporters during the 1963 March on Washington and President Barack Obama speaks at his first inauguration in 2009. Timothy A. Clary/AFP/Getty Images hide caption

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With Hope and Virtue (Obama), for chorus (part of collaborative work "Sing out Mr. President")

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"Music modulates levels of dopamine in the brain which is a chemical responsible for reward and pleasure," says author Daniel Levitin. iStockphoto.com hide caption

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Tell us your hopes for classical music in 2013. Lalito/iStockphoto.com hide caption

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