Kovvalsky (Jasna1) - myokard 021 by KLINIKA published on 2020-06-11T13:40:35Z Jędrzej Kowalczyk, known to the wider public as "Kovvalsky", dj, promoter, artistic director and resident of the Jasna 1 club in Warsaw. Despite his relatively young age, he has been on the club scene for over 10 years. He can be characterized by a broad musical spectrum; from disco classics and italo experiments to house, electro, techno. Genre Techno