Jakub Rataj: Ɵ (world premiere)
9 October 2019, Corpus Christi Chapel, Art Centre of Palacký University, Olomouc MusicOlomouc “Two Pianos Tuned in Quarter-Tone Distance” Jakub Rataj: Ɵ (world premiere) Cluster Ensemble (Ivan Šiller, Fero Király – piano)