Cass Elliot (September 19, 1941 ƒ?? July 29, 1974), born Ellen Naomi Cohen and also known as Mama Cass, was an American singer and member of The Mamas & the Papas. After the group broke up, she released five solo albums. Elliot was found dead in her room in London, England, from an apparent heart attack after two weeks of sold-out performances at the Palladium. In 1998, Elliot, John Phillips, Denny Doherty, and Michelle Phillips were inducted into the Rock and Roll Hall of Fame for their work as The Mamas & the Papas.