Constance Ronzatti Werke & Mitwirkungen 2021 DIOTIMA 2 | OFENBAUER (Installation) DIOTIMA 1 | FURRER 1 2016 Sir Harrison Birtwistle in conversation with Bernhard Günther and Lukas Haselböck (in English) Quatuor Diotima: Schönberg, Beethoven, Boulez 4