He underwent surgery and radiation therapy delaying the release of Hot Sauce Committee Part Two and the subsequent tour. His bandmates paid tribute to Yauch; a letter from Yauch was read to the crowd. "
Yauch was a practicing Buddhist.
He was best known as a founding member of the hip hop group Beastie Boys. He was frequently known by his stage name MCA and sometimes worked under the pseudonym Nathanial Hörnblowér. Yauch founded Oscilloscope Laboratories an independent film production and distribution company based in New York City.