Reitschule, Grosse Halle, 20h.
Ivan Wyschnegradsky: Arc-en-ciel op. 37 for 6 pianos tuned a twelfth-ton apart.
In the same program: Prométhée, le Poème du feu by Alexandre Scriabine, Limited approximations for 6 pianos and orchestra by Georg Friedrich Haas.
With Daniel Glaus, lights, Tamriko Kordzaia, Stefka Perifanova, Kirill Zvegintsov, Susanne Huber, André Thomet and Stefan Wirth, pianists, the Bern Symphonic Orchestra, Mario Venzago, conductor.