“Mike is the craziest person. He's scattered; he's all over the place. When you hold him down and tell him, 'This is what you're doing,' he's fantastic. But you have to hold him down. Like, when he had to write his verse for 'Hello Nasty,' we had to take his phone away to get him to do it.”

American rapper, guitarist, and actor

Ad-Rock, born Adam Keefe Horovitz, is an American rapper, guitarist, and actor. He rose to prominence as a member of the Beastie Boys, the hip-hop group that defined much of his public career. Alongside his work with the Beastie Boys, he performed in the side project BS 2000 while the group was still active. After the group dissolved, he remained involved in Beastie Boys projects and also worked as a remixer, producer, and guest musician for other artists, while taking roles in several films.