Concert situation in which the seminar Akustische Kunst provided an acoustic soundscape for an exhibition of the minimal artist Charlotte Posenenske in K20 Düsseldorf. The goal was to create something really monotonous and minimal, yet interesting for the whole day without any repetition. The result was that the seminar sang along to a 6 hour rising sine tone synced via a local internet radio, ranging from the lowest possible voice that can be sung within the group to the highest.
The supercollider source code to generate the tone can be found here.
The full 6 hour livestream can be seen below.