Lutoslawski/Haubenstock-Ramati/Pratella/Krauze/Honegger
10/10/1973 - 19:45
Grazer Congress – Stefaniensaal
Arthur Honegger, Francesco Balilla Pratella, Roman Haubenstock-Ramati, Witold Lutoslawski, Zygmunt Krauze
10/10/1973 - 19:45