On March 5, 2017, the Orkiestra Muzyki Nowej (OMN) presented a concert entitled “Matematyka i asceza” [Mathematics and Asceticism] at the NOSPR Concert Hall in Katowice. The highlight of the evening was the world premiere of Paweł Hendrich (b. 1979) – Hordiaver, which was commissioned by OMN and co-financed by the Institute of Music and Dance’s “Composer-in-Residence” program. The program also featured works by Anton Webern (Five Pieces for Orchestra op. 10), Beat Furrer (Still) and other pieces by Polish composers: Paweł Szymański (b. 1954) – Through the Looking-Glass… for chamber orchestra and Cezary Duchowski (b. 1971) – acc+ca (for accordion and computer performed by Rafał Łuc). The event was co-organized and co-financed by IMiT as a part of “Artist-Resident” program.