"the white abyss of infinity. Kandinsky - malevich - mondrian". North rhine-westphalia art collection. On the occasion of the düsseldorf quadriennale 2014. On the right on the roof: "quadraphone". Sound installation on the occasion of the opening of the quadriennale 2014. At 11 exhibition locations. "fanfara futurista" by rochus aust. The composition could also be heard via 35 or 40 mini-quadraphones that aust had installed in sewer shafts in the city.
