“Rehearsals for the eagerly anticipated new production of Richard Wagner’s final opera Parsifal at this year’s legendary Bayreuth Festival resumed yesterday after iconoclastic theatre director Christoph Schlingensief re-appeared for work following a few days absence. Schlingensief had plunged preparations for the prestigious annual summer music festival… into disarray on the weekend by calling in sick following a row with the composer’s grandson and festival chief Wolfgang Wagner.”