 In 1999 the choir sang together with the choir "Cantores" in Bruges' St. Salvator's Cathedral and in [Wiesbaden a program to bring jointly to a close a century of violence.The cantors Michiels (organ) and Dessauer chose Jules Van Nuffel's "", Rudolf Mauersberger's "Wie liegt die Stadt so wüst", and Duruflé's Requiem.In 1995, the choir joined other international for a memorial concert of the 50th anniversary of the end of World War II.