Gesang der Jünglinge "complexes" structured statistically . The last category occurs in Stockhausen's electronic music for the first time in "Gesang der Jünglinge", and originates in the course of studies Stockhausen took between 1954 and 1956 with Werner Meyer-Eppler at the University of Bonn. The text of "Gesang der Jünglinge" is from a Biblical story in The Book of Daniel where Nebuchadnezzar throws Shadrach, Meshach, and Abednego into a fiery furnace but miraculously they are unharmed and begin to sing praises to God. This text is presented in a carefully devised scale of seven degrees of comprehensibility, an idea which also came from
Shadrach in the Furnace next day, Shadrach visits Genghis Mao, who speaks deliriously and even offers to make Shadrach pope in Rome. Shadrach infers that Genghis Mao has gone mad over the death of Mangu. That night, he goes to Karakorum with Katya Lindman, where they try dream-death, an experience where one is placed in a dream-like state and imagines death and the subsequent afterlife. Shadrach travels the afterlife realm with Katya in his dreams, and after enjoying themselves, to enters into a tranquil state before awaking. Katya reveals that she was having a different dream from him, one which was not as light-hearted