He sang Figaro in Mozart's The Marriage of Figaro more than 400 times all over Europe, including in 1958 for the festive reopening of the Cuvilliés-Theater in Munich, was considered to be his signature role. As a guest he sang, at the Vienna State Opera, the Hamburg State Opera and the Deutsche Oper Berlin as well as with other opera companies. He also gave guest performances in other European countries, e.g. at the Paris Opera, the Gran Teatre del Liceu in Barcelona, where he received the Spanish Critics' Prize, in Brussels and Edinburgh. He was successful in many great bass roles in Munich; among others he sang Sarastro in Mozart's The Magic Flute, Leporello and the Commendatore in Don Giovanni, Rocco in Beethoven's Fidelio, Philip II. in Verdi's Don Carlos, Hunding in Wagner's The Valkyrie, Escamillo in Bizet's Carmen, Ochs in Richard Strauss' Der Rosenkavalier and Count Waldner in Strauss' Arabella. In a 1958 recording he sang the Grand Inquisitor in Verdi's Don Carlos alongside Gottlob Frick. Kohn also sang in contemporary operas, including the world premiere of Werner Egk's Die Verlobung von San Domingo nach Heinrich von Kleist.
Concert repertoire
Kohn was also active as a concert singer. Among other things, he was a permanent guest at the concerts of the Münchener Bach-Chor under the direction of Karl Richter, who at his time was the leading Bach interpreter in the Federal Republic of Germany. Kohn was a regular guest at the then popular Munich Sunday concerts.
Some of Kohn's opera roles are documented on recordings, including Leporello in Mozart's Don Giovanni, Kaspar in Weber's Der Freischütz, Tolomeo in Handel's Giulio Cesare, Ariodate in Handel's Serse, Calendar in Gluck's La rencontre imprévue, Kühleborn in Hoffmann's Undine, Wagner in Busoni's Doktor Faust, Herr Schwarz in Egk's Verlobung in San Domingo, Gold trader in Hindemith's Cardillac, Doctor in the first studio recording of Berg's Wozzeck , Priest in Carl Orff's Oedipus the Tyrant. Several of his concert parts have also been published on records, including recordings of Bach's oratorios as well as the bass parts in Haydn's Paukenmesse und Mozart's Requiem.
CD-Edition KARL CHRISTIAN KOHN – 3 sets with 8 CDs. Hamburger Archiv für Gesangskunst