Klangkugelbahn at Waldkirch Sound and Organ Festival Ryan JenkinsJuly 3, 2025Waldkirch, Elztal museum, organ festival, sound and organ festival, Achim Schneider, marble machine, marble run, chain reaction, tinkering, pirate ship, Lücking family, set up, pallets, rolling, kugelbahn, wooden ball, countdown, mechanisms, collaboration, installation, prototyping, everyday materials
