Luciano Pavarotti ( Famous Opera Singer) 1935-2007
Ok, she's not exactly an actress, but opera counts and I love, love, love the matchless Maria Callas.
Fabian, Bobby Darin, Keely Smith, and Frankie Avalon
Dolly Parton & Kenny Rogers) http://abcnews.go.com/GMA/video/kenny-rogers-dolly-parton-reunite-duet-20287552
Elina Garanca - Opera Singer
Bobby Darin (1936 - 1973) Pop singer in the 1960s and 1970s, "Splish Splash", "Mack the Knife", sang the theme song for the movie "That Darn Cat!"
Julie London; when singers could actually sing
Frank Sinatra, Sammy Davis JR., Dean Martin P. S. & 45 on Reprise #20,128 #1960s
Stevie Nicks of Fleetwood Mac
The concept of an “open throat” when singing may be baffling for new and aspiring singers. Read more at: http://tips.how2improvesinging.com/open-throat-infographic/