Spettacoli column noted on the efficiency with the 30-5-year-previous Enzo Jannacci on sixteen June 1971 on the Bicocca: an function organised by Pirelli not only for its employees, but for everybody.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​