Bayreuth Festival talented conductor Hermann Levi, who was personally chosen by Richard Wagner to conduct the debut of "Parsifal" in 1882 with the assistance of the young Engelbert Humperdinck. Following Wagner's death, his widow Cosima continued running the festival at one or, more frequently, two-year intervals. She gradually introduced the remaining operas which complete the Bayreuth canon of Wagner's last ten completed operas. Levi, the son of a rabbi, remained the festival's principal conductor for the next two decades. Felix Mottl, who was involved with the festival from 1876 to 1901, conducted "Tristan und Isolde" there in 1886. Until the 1920s, performances
Annual Avant Garde Festival of New York music scene that was emerging out of Fluxus. The inaugural festival was at Judson Hall and featured 28 composers which included John Cage and Morton Feldman. Notable performers at the Avant Garde Festival of New York included Charlotte Moorman, John Cage, Yoko Ono, Carolee Schneeman, Robert Delford Brown, John Lennon, Alison Knowles, Nam June Paik, Morton Feldman, Dick Higgins, Ray Johnson, Richard Kostelanetz, Bill Fontana, amongst others. Annual Avant Garde Festival of New York The Annual Avant Garde Festival of New York was an annual event that began in 1963 as an open forum for the emerging experimental music scene