11 updates 4 May 2012 Beastie Boys rapper MCA dies Beastie Boys rapper MCA, real name Adam Yauch, has died. He was 47. He had been treated for cancer but it is not clear if it is related to his death. Share Tweet Plus Reddit Live updates Beastie Boys rapper Adam Yauch has died Beastie Boys rapper MCA, whose real name Adam Yauch, has died. He was 47. Entertainment Beastie Boys Adam Yauch Share Tweet Plus Reddit Load more updates Back to top Latest ITV News reports Beastie Boy dies Adam 'MCA' Yauch, founding member of the Beastie Boys, has lost a three-year-battle with cancer. He was 47 years old.