It is an immaterial space of sound, perceptible when entering the window niche. The curved pipe elements are like acoustic showers with changing dominance. After looking out of the window a while, the feeling of simultaneity slowly sets in. Then I'm sure: the rhythm of the traffic lights is followed by the movement of the sounds.

• documenta 8, Kassel 1987

6 curved plastic pipes; multi-channel composition; electronical equipment