The Beastie Boys' MCA, real name Adam Yauch, has died. The hip hop pioneer was 47. In 2009, MCA announced he was being treated for cancer of the parotid gland and a lymph node. He underwent surgery and radiation therapy. It is unclear as of this posting whether Yauch's death was related to cancer. MCA co-founded Beastie Boys in 1979 (yes, 1979) with Mike D, and Ad Rock, and went on to churn out some of the most iconic albums in hip-hop. ...