 He was a gifted musician very early in life, and by age seven he had performed Mozart’s A Major Violin Concerto and Bach’s A Minor Violin Concerto with the Vienna Symphony Orchestra.In 1941, several months before the thirteen-year-old Kling was to receive the equivalent of a Bachelor's degree in musical theory, he was expelled from school for being an 'undesirable element' and associated with the Jewish community.On September 28, 1944, Kling was transported to Auschwitz concentration camp, but survived.