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
Bayreuth Festival beauty of Wieland's reinterpretation of his grandfather's works. Wieland's innovative productions invited comparison to Wolfgang's, which critics unanimously found to be uninspired. If Wieland's productions were radical, Wolfgang's were regressive. Although still minimalist in approach, Wolfgang resurrected much of the naturalistic and romantic elements of pre-war productions. Thus, when Wieland died prematurely from lung cancer in 1966, many wondered if Bayreuth had a future. They began to question Bayreuth's primacy among German opera houses, and some suggested that more interesting productions were being staged elsewhere. Around this time (1955), in order to broaden its audience, the whole Bayreuth Festival company