Singer, musician, and actor best known as the keyboardist and bass guitarist for the 1960s pop band The Monkees.
He picked up musical instruments quickly, learning seven in a matter of years.
He was a guitarist for a TV band and played banjo on George Harrison's album Wonderwall.
He was married to Jody Babb in 1960, Reine Stewart from 1973 to 1974, and Barbara Iannoli from 1975 to 1987. In 2013, he married Pamela Grapes up until his death in 2019. He had two daughters, Erica and Hallie, and a son, Ivan.
He was a prominent member of The Monkees with Davy Jones.