Nedra Talley Ross, the last surviving founding member of 1960s girl group the Ronettes , has died. She was 80. A post on the Ronettes’ official Facebook page announced the news Sunday but didn’t share a cause of death or any other details. “It is with heavy hearts that we share the news of Nedra Talley Ross’ passing,” the post reads. “She was a light to those who knew and loved her. As a founding member of The Ronettes, along with her beloved cousins Ronnie and Estelle, Nedra’s voice, style and spirit helped define a sound that would change music. Her contribution to the group’s story and their defining influence will live forever. Rest peacefully dear Nedra. Thanks for the magic.” Talley, who was born on Jan. 27, 1946, formed the girl group with her cousins — lead singer Veronica Bennett (who later was known as Ronnie Spector) and her older sister Estelle Bennett — with whom she’d been singing since they were in their teens. First known as the Darling Sisters, they signed with Colpix Records in 1961.…