Jonas Gruska was born in Czechoslovakia and studied at the Institute of Sonology in Hague and at Music Academy in Cracow. His main focus is chaotic and polymetric rhythms, unconventional tunings, exploration of psychoacoustic properties of sound and field recording. He has created several site-specific sound installations, based on resonant properties of spaces and materials. Gave workshops on sonification, field recording, electromagnetic listening, and programming for artists. He is the creator of Elektrosluch – electromagnetic listening device.

Long–time field recordist and lecturer. Currently interested in contrasts of biophonic and antrophonic environements in the city