Video artist and producer @Prcls is a figure in Vienna's cultural life you sooner or later bump into. Whether it's the movies, concerts, exhibitions, or simply nightlife – chances are that you ran into him at some point. He is the latest contributor to our BLACK QUARTZ mixtape series and it's a special one. In this one-hour selection, he reminds us of all the good music you cannot find on Spotify et al: records that sound better at different speeds and long-deleted SoundCloud finds.