The Monkees' Peter Tork Mourned by Brian Wilson, Carole King & More Musical Peers

Peter Tork
Michael Ochs Archives/Getty Images

Peter Tork on the set of the television show "The Monkees" in May 1967 in Los Angeles.

Peter Tork, longtime bassist of The Monkees, died Thursday (Feb. 21) at 77. The made-for-TV pop group began in the 1960s and had a long list of hits over the years.

“It is with beyond-heavy and broken hearts that we share the devastating news that our friend, mentor, teacher, and amazing soul, Peter Tork, has passed from this world,” reads a post on Tork's Facebook page. “We ask for your kindness and understanding in allowing us to grieve this huge loss privately.”

A cause of death isn’t immediately known. Below are reactions from the Beach Boys' Brian Wilson, Carole King and more of Tork's famous friends and admirers.