Every summer for five weeks, the Upper Franconian town of Bayreuth turns into the metropolis of festival music. Music lovers from all over the world then pilgrimage to the Green Hill to enjoy performances of the works by Richard Wagner. But hardly a visitor thinks about the huge amount of time and effort involved. The highly praised 'Bayreuth Workshop' has always been a real workshop - including carpenter, locksmith, dyer and festival smith.For Katharina Wagner, the composer's great-granddaughte...