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Clockwise: For "Brave," composer Patrick Doyle reached back to his roots. For "Cloud Atlas," filmmaker Tom Tykwer, left, asked composers Johnny Klimek, center, and Reinhold Heil to create what was described in the movie's stories as one of the greatest works ever composed. Ang Lee, right, asked composer Mychael Danna to create a sense of awe in "Life of Pi." Dario Marianelli was the composer for "Anna Karenina."