 Schulte appeared as a guest at the Metropolitan Opera, the Teatro La Fenice, the Gran Teatre del Liceu, among others.He performed at the Bayreuth Festival, beginning in 1988 as the "Heerrufer" (The King's Herald) in "Lohengrin", from 1992 as Wolfram von Eschenbach in "Tannhäuser", and in 1998 he stepped in as Gunther in "Götterdämmerung", singing but not acting.Throughout his career, he took part in contemporary opera, including premieres.