Hildegard Rütgers 1963. Between 1963 and 1965 she performed at the Salzburg Festival, the part of "Die Vertraute" (Her confidante) in a production of "Elektra" by Richard Strauss, conducted by Herbert von Karajan, alongside Astrid Varnay in the title role, and Martha Mödl, Hildegard Hillebrecht, James King and Eberhard Waechter in leading parts. The production of Mozart's "Die Zauberflöte" at the Salzburg Festival, with Rütgers as the Third Boy, was filmed and released as a made-for-television-movie in 1964. She appeared alongside Walter Kreppel as Sarastro, Roberta Peters as the Queen of the Night, Pilar Lorengar and Waldemar Kmentt as Pamina and Tamino,
Beethoven and Mozart paid homage to Mozart by making a quotation from "Don Giovanni" (the opening notes of Leporello's aria ‘Notte e giorno faticar’) the basis of the 22nd of the Diabelli Variations. Beethoven and Mozart Wolfgang Amadeus Mozart had a powerful influence on the work of Ludwig van Beethoven. They are said to have met in Vienna in 1787, and Beethoven is said to have had a few lessons from Mozart. However, this is uncertain, as there is only one account of a meeting, and it is not contemporary. Beethoven knew much of Mozart's work. Some of his themes recall Mozart's, and