FILE - In this Sept. 7, 1994 file photo, members of the Beastie Boys, Adam Yauch, known as MCA, left, Adam Horovitz, known as Adrock, foreground right, and Michael Diamond, known as Mike D, rehearse at Radio City Music Hall in New York. Yauch, the gravelly voiced Beastie Boys rapper who co-founded the seminal hip-hop group, has died at age 47. The cause of death wasn't immediately known. Yauch, who's also known as MCA, was diagnosed with a cancerous parotid gland in 2009.(AP Photo/Justin Sutcliffe, file)