Tell Us About the M.C.A. You Knew May 4, 2012, 7:38 pm Adam Yauch was a New Yorker of countless locations - from the halls of Brooklyn Friends School and Murrow High School to the streets of the East Village to seemingly every single loft, club and venue where noise could be made and shows bum-rushed. Perhaps in his travels across the city, you met Mr. Yauch, before he was a Beastie Boy, when he was touring, or when he went by M.C.A. or Nathanial Hornblower. Tell us about it.