Adam Keefe Horovitz (born October 31, 1966), popularly known as Ad-Rock, is an American rapper, guitarist, and actor. He was a member of the hip-hop group Beastie Boys. While Beastie Boys were active, Horovitz performed with a side project, BS 2000. Since the group disbanded in 2012 following the death of Adam Yauch, Horovitz has participated in...
