Lisa Della Casa was a Swiss soprano most admired for her interpretations of major heroines in operas by Wolfgang Amadeus Mozart and Richard Strauss, and of German lieder. She was also described as “the most beautiful woman on the operatic stage”.

Burgdorf is the largest city in the Emmental in the canton of Bern in Switzerland. It was the capital of the district of the same name until 2010, when it became part of the new Emmental district.