Mystery Theme II by SokolM

Question 8

What singer released five solo albums but is better known for her work as a member of a folk rock musical group along with John Phillips, Denny Doherty, and Michelle Phillips? Despite rumors to the contrary, her autopsy determined her 1974 death at age 32 was due to heart failure and not choking on a ham sandwich. Either her surname or popular two-word nickname will be accepted.

"Mama Cass" Elliot