El oro del Rin
Huehn sang many Wagner roles, including Wotan in "Das Rheingold" and "Die Walkuere", Donner in "Das Rheingold", the Wanderer in "Siegfried", Gunther in "Goetterdaemmerung", Wolfram von Eschenbach in "Tannhaeuser", Amfortas in "Parsifal", Kothner in "Die Meistersinger von Nürnberg", Kurwenal in "Tristan und Isolde" and Telramund in "Lohengrin". Other operatic roles included Escamillo in "Carmen", Faninal in "Der Rosenkavalier", Orestes in "Elektra", Jochanaan in "Salome", Don Pizarro and Don Fernando in "Fidelio", Sharpless in "Madama Butterfly" and the High Priest in "Samson et Dalila" .