and travelled to London to conduct a series of concerts in an attempt to make up the deficit. Although the festival was plagued by financial problems in its early years, it survived through state intervention and the continued support of influential Wagnerians, including King Ludwig II of Bavaria. From its inception, the festival has attracted leading conductors and singers, many of whom performed without pay. Among these was Hans Richter, who conducted the premiere of the Ring Cycle in 1876. Another was the 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 were strictly in accordance with the traditions established under King Ludwig's patronage. Not a note was "cut" from any of the enormous scores; no concessions were made to the limits of human patience on the part of the audiences. Cosima Wagner preserved the productions of Parsifal and the Ring just as they had been in Wagner's day, defending any proposed changes with appeals to her son Siegfried: "Was this not how Papa did it in 1876?" After Cosima's retirement in 1906, Siegfried Wagner took over management of the festival, introducing new staging and performance styles. His early death in 1930 left the Festival in the hands of his English-born wife Winifred Wagner, with Heinz Tietjen as artistic director. Bayreuth under Nazi Germany In the 1920s, well before the rise of the Nazi Party, Winifred Wagner became a strong supporter and close personal friend of Adolf Hitler; her correspondence with Hitler has never been released by the Wagner family. She and other festival leaders were members of Nazi chief ideologue Alfred Rosenberg's Kampfbund für deutsche Kultur, which actively suppressed modernist music and works by "degenerate" artists. The festival maintained some artistic independence under Nazi rule. Ironically, Hitler attended performances that included Jewish and foreign singers, long after they had been banned from all other venues across Germany (including