Bayreuth Festival the world of opera. Other notable directors to have participated in "Werkstatt Bayreuth" included Jean-Pierre Ponnelle, Sir Peter Hall of the Royal Shakespeare Company, Götz Friedrich of the Deutsche Oper Berlin, Harry Kupfer of the Berlin State Opera in the former communist East Germany and Heiner Müller of the Berliner Ensemble. In the end, Wolfgang's decision to bring in experimental directors helped rejuvenate Bayreuth and restore its reputation as the world leader in Wagnerian opera. There was uncertainty over how the Festival was to be managed after the retirement of Wolfgang Wagner at the end of August 2008. In 2001,
Festival Oude Muziek the TivoliVredenburg. Each year, the festival's organisers adopt a theme, which focuses attention on a particular place, time, and style in early music. The theme shapes not only the style and musical repertoire of the performances, but the period instruments used. Festival Oude Muziek The Festival Oude Muziek Utrecht ("Utrecht Early Music Festival") is an annual music festival that showcases and celebrates early European art music. The ten-day festival takes place in the Dutch city of Utrecht, and begins in August. The programme comprises concerts, activities, lectures, exhibitions, and a symposium. The primary venue is TivoliVredenburg, which opened in 2014.