NEW YORK - FILE: Filmmaker and recording artist Adam Yauch speaks onstage at the Apple Soho store on May 2, 2008 in New York City. Rapper Adam Yauch, AKA MCA, of the Beastie Boys has died May 4, 2012 after battling cancer. He was 47. (Photo by Bryan Bedder/Getty Images)
Welcome to another edition of Today in Boston ROCK, where I, Adam 12, spotlight Very Important Days In Rock History. May 4th is one.