István Kertész (conductor) "Fidelio" and "La bohème". In March 1960, Kertész was invited to become General Music Director of the Augsburg Opera—a post especially created for him. There he conducted performances of Mozart's "The Magic Flute", "The Abduction from the Seraglio", "Così fan tutte", and "The Marriage of Figaro", earning himself a reputation as one of the finest interpreters of Mozart's work. With exhilarating performances of Verdi's "Rigoletto", "Don Carlos", "Otello" and "Falstaff", and Richard Strauss's "Salome", "Arabella", and "Der Rosenkavalier", Kertész also proved himself a master of the finest of Italian Romantic operas. Invited to the Salzburg Festival, he conducted "The Abduction
Robert Radford to another source) Hagen in "Götterdämmerung". He was then engaged with the Grand Opera Syndicate at the Royal Opera House, Covent Garden, and he was successively engaged by Thomas Beecham in his productions at various venues, including Covent Garden, Drury Lane and His Majesty's Theatre. In Beecham's production of Wagner's "Ring cycle" he again played Fasolt, opposite the Fafnir of the younger Norman Allin, who succeeded him as Britain's foremost bass. Among his best-known roles were Mephistopheles (Gounod's "Faust"), Osmin ("Il Seraglio"), Sarastro ("The Magic Flute"), the Father (Charpentier's "Louise"), "Ivan the Terrible" and "Boris Godunov" (title role), which he