The only movement that he'd completed everything for is the first one, a beautiful Adagio.

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But even those who doubt its authenticity have difficulty denying the Adagio's beauty.

NPR: Excerpt: 'The Cellist Of Sarajevo'

The resulting composition, known as Albinoni's Adagio, bears little resemblance to most of Albinoni's work and is considered fraudulent by most scholars.

NPR: Excerpt: 'The Cellist Of Sarajevo'

The stories in the second part of the novel pose a challenge to the book: they break the novel into two movements, one adagio and one allegro.

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He can tell today won't be an Adagio day.

NPR: Excerpt: 'The Cellist Of Sarajevo'

By the time the last few notes fade, his hope will be restored, but each time he's forced to resort to the Adagio it becomes harder, and he knows its effect is finite.

NPR: Excerpt: 'The Cellist Of Sarajevo'

The first orchestral music calling specifically for valve horns dates from 1835, and the first important solo work for valve horn was Robert Schumann's Adagio and Allegro for horn and piano, written in 1849.

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The 55-minute interdenominational service included a rendition of the national anthem by New York police officer Daniel Rodriguez, a performance of Samuel Barber's solemn "Adagio for Strings" and a rendition of "Ave Maria" by operatic tenor Andrea Bocelli.

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If, after several hours, this hope doesn't return, he will pause to gather himself, and then he and his cello will coax Albinoni's Adagio out of the firebombed husk of Dresden and into the mortar-pocked, sniper-infested streets of Sarajevo.

NPR: Excerpt: 'The Cellist Of Sarajevo'

He rarely plays the Adagio.

NPR: Excerpt: 'The Cellist Of Sarajevo'

He'll play Albinoni's Adagio.

NPR: Excerpt: 'The Cellist Of Sarajevo'