Percussionist most famous for being the original drummer for Prince's backing band, The Revolution, performing on classic albums like Purple Rain (1984). After leaving the group, he found success as a producer for acts like Boy George, Wendy Melvoin and Lisa Coleman.
He formed his first touring band as a junior high school student. The band included future football coach Marc Trestman on guitar.
He created the heart disease charity My Purple Heart shortly after suffering a heart attack in 2010.
His birth name is Robert B. Rivkin. He is the brother of filmmaker Stephen E. Rivkin and musician David Z. He married a woman named Vicki.
He was replaced by Sheila E. as the drummer for The Revolution.