Jarosław Bręk (1977–2023) was a prominent Polish bass-baritone, who graduated with the highest honours from the Music Academy in Warsaw. He appeared in theatres and concert halls throughout Europe and beyond and collaborated with over a hundred orchestras and 150 choirs from around the world, performing more than 120 oratorio parts and some 20 opera roles. Bręk’s career brought collaborations with orchestras and conductors of international distinction and acclaimed participation in major festivals.

Antoni Wit is one of the most highly regarded Polish conductors and a champion of Polish music. A top prizewinner at the Herbert von Karajan International Conducting Competition in 1971 and an assistant to Karajan at the Easter Festival in Salzburg, he subsequently worked with all of the leading orchestras in Poland before taking up the position of general and artistic director of the Warsaw Philharmonic in 2001 for twelve years. He was music director of the Orquesta Sinfónica de Navarra in Spain between 2013 and 2018, and he is currently conductor laureate of the Kraków Philharmonic in Poland. In 2015 he was awarded the French Légion d’honneur.