He died following a "brief, unexpected illness". American singer Mark Volman died on Friday (Sep 5) at the age of 78 following a "brief, unexpected illness", his representative has confirmed. Volman was the co-founder of the rock band The Turtles, who were best known for their 1967 single Happy Together. He was diagnosed with Lewy body dementia in 2020 but continued to tour and only publicly revealed his diagnosis in 2023. He told People magazine at the time: “I got hit by the knowledge that