The Obstgarten school complex is a typical ensemble from the 1970s, and consists of raw concrete cubes that are integrated into their surroundings on different levels. While the brief included a renovation of the classroom tracts – their interiors re-organized and partially ex-panded –, the task included a transformation of the site into a lyrical antipole, by means of hard and rough-looking buildings. A new building replaces the former music hall, housing an auditorium with 600 seats and a public library. Considering the size and the structural weight of the new program, massive walls were implemented into the basement level in the form of several pillars: formed like abstract Atlas figures, they bear and lift the heavy volume of the auditorium – dedicated to both internal school events as well as to the public. Between the base and the auditorium, a transparent space containing the library spans between triangu-lated load-bearing solid volumes. The space is closed from the outside, and instead, lit at-mospherically through the use of skylights. The raw concrete envelope of the auditorium is embossed with an organic motif on the outside, which contrasts with the severity of the en-semble and enhances its representative character...[+]