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Saturday Night Live forwent their usual comedic cold open last night to pay their respects to the innocent lives lost at Sandy Hook Elementary School on Friday.

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The New York Children's Chorus sang Silent Night in memory of the 20 children and six teachers and administrators shot and killed by a gunman who opened fire, and later shot himself dead, at the school in Newtown, Connecticut.

The night's musical guest, Sir Paul McCartney, later joined the young choir onstage to perform Wonderful Christmas Time.

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Watch the emotional video in the player above.