"Goat Song" is a science fiction novelette by American writer Poul Anderson.

Originally published in The Magazine of Fantasy and Science Fiction issue of February 1972, it was later included in the anthologies Nebula Award Stories Eight and The Hugo Winners Volume 3,[1] as well as in Anderson's collection Homeward and Beyond.

On the long walk back he is full of doubts, but manages to look straight ahead, until the last moment.

SUM admits that it is more interested in the harper as an antagonist than a servant, since it doesn't yet fully understand the human mind.

Harper goes nearly insane for many months, but then begins the deliberate process of using his songs to implant the idea that humans should rule their own lives and that SUM should be destroyed.