La mujer sin sombra
Also in Neumann's repertoire were the roles of Rienzi, Erik ("Der fliegende Holländer"), Lohengrin, Loge, Siegmund, Tristan, Parsifal, Hermann ("Pique dame"), Canio ("Pagliacci"), Herod ("Salome"), the Kaiser ("Die Frau ohne Schatten"), and Bacchus ("Ariadne auf Naxos").