On the first weekend of September, we invite you to a Choir concert at which the ensemble will prepare and perform Completorium and Laetatus sum by Gorczycki in Bytom, at the parish of Gorczycki’s birth, and in Gliwice, the home city of Chórtownia. Where does this idea come from? In Western Europe, workshop choirs performing great works of classical music – Brahms, Verdi, Mozart – have long been organised,…