Mark Volman, the Turtles Co-Founder and 'Happy Together' Singer, Dead

Mark Volman , the singer and co-founder of the Sixties pop-rock group the Turtles , best known for their 1967 hit “Happy Together,” died Friday, Sept. 5. He was 78.

Reps for Volman confirmed his death to Rolling Stone , saying he died in Nashville after a “brief, unexpected illness.” Volman was also battling Lewy body dementia , which he was diagnosed with in 2020. However, he continued to tour and did not publicly reveal his diagnosis until 2023.

For much of his career, Volman worked closely with his friend Howard Kaylan, another co-founder of the Turtles and the band’s lead vocalist. After the Tutles disbanded, Volman and Kaylan linked up with Frank Zappa and the Mother Inventions, where they began to perform under the name Flo and Eddie. (Volman was “Flo,” which was short for “