The British Trinity Boys Choir is one of the busiest and successful boy choirs in the world. For over 50 years it has enjoyed an international recognition. In Warsaw, it will commemorate the anniversary of the Battle of Warsaw 1920, under the direction of David Swinton, in the St. Michael the Archangel and St. Florian the Martyr Cathedral. The program will feature sacred music of various epochs. The event's organizer is the Office of the Praga-North District.