The death of Adam Yauch, known to rap fans as MCA, a co-founder of the Beastie Boys, shocked music fans, including the group’s peers in the entertainment world (not to mention the political and media communities.)

MTV: Run DMC remember Adam Yauch

TheGrio: Remembering Adam Yauch, Beastie Boys’ best rap songs

Here’s a taste of what the famous have been tweeting at the hashtag #MCA.

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  New York Mayor Michael Bloomberg

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  David Zirin, editor, The Nation magazine

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  Adam Levine of Maroon 5

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  Comedienne Aisha Tyler

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Article source: http://www.thegrio.com/entertainment/stars-react-on-twitter-to-beastie-boy-adam-yauch-death.php