 After numerous representations, the group was released after five months' incarceration in order to be used by the Nazis as a morale booster, performing for the Ukrainian OST-Arbeiters (slave-workers from the East) in German work camps.At the end of the war, the capella found itself in Regensberg.In order to strengthen the artistry of the capella, Volodymyr Bozhyk, an opera conductor trained in Poland, was invited to become co-conductor.