Conversation so far:
What about the first era 1976-1981?
Prostitution, an exhibition which was held in October 1976 at the Institute of Contemporary Arts.
Was it well-received?
CANNOTANSWER.
Was there any other exhibitions?
CANNOTANSWER.
What was Throbbing Gristle?
pornography and photographs of Nazi concentration camps.

Question: Did that upset people?
Self-contained rewrite: Did Throbbing Gristle upset people?