The vocal talents of Birgit Nilsson were first recognized when she began to sing in her church choir. She studied voice with Ragnar Blennow in Bastad and later at the Royal Music Academy Stockholm with Joseph Hislop and Arne Sunnegärdh. She made her opera debut at Stockholm where her first important role was Agatha in Der Freischütz, and in 1947 she sang Lady Macbeth in Verdi's Macbeth there. Her first important international appearance came in 1951 as Elettra in Mozart's Idomeneo at the Glyndebourne Festival. In 1952, she sang Donna Anna in Don Giovanni at Florence. Her first...