Andrea Saemann Basel Esther Ferrer festival Gaspard Buma Hina Struver Katia Bassanini Lausanne Lena Eriksson Liveartwork editions Markus Gossi Mary Paterson MIRZLEKID Monika Gunther Performance Saga Robin Deacon Ruedi Schill Simone Russli Stuart Brisley Tania Bruguera Varsha Nair