歓喜力行団
In 2000, Herbert Gantschacher wrote, together with Katharina and Jürgen Rostock, the documentary play "Chronicle 1933–1945" using original documents from the biographies of Robert Ley and Victor Klemperer. The first performance took place in 2000 in the documentation centre at the planned "Strength Through Joy" beach resort Prora on the island of Rügen in Germany.