Closing event of the exhibition "Artefakt und Interferenz – Harriet Groß | Susanne Piotter" with a concert on the theme of phase change / "Phasen" by Julia Yoo Soon Gröting, violin and Luise Rau, cello of the Ensemles Quillo with works by Kaija Saariaho, Henrik Ajax, Hanns Eisler, Philip Glass and B.A. Zimmermann (participation is free of charge).