Ralph Stuart Emanuel Donner (February 10, 1943 – April 6, 1984) was an American rock and roll singer. He scored several pop hits in the US in the early 1960s, and had a voice similar to Elvis Presley. His best known song is his 1961 top ten hit, "You Don't Know What You've Got (Until You Lose It)". == Biography == Ralph Donner was born in Norwood Park, Chicago, Illinois, United States, and sang in church as a child. He... [more on Wikipedia]