police officer, a guy with all the leather, these guys are amazing. >> i'm singing songs, one song is "fire island." i'm like, yeah, this is the bomb! i didn't get it until somebody broke it down. but even after that i was like, so what? the music's still great. >> this is officially the world's largest anti-disco rally! >> 50,000 people, the largest crowd of the season, showed up at chicago's comiskey park. many had come for "disco demolition night." >> local radio morning man steve dahl was the catalyst. he is anti-disco. >> between games, as planned, a huge box containing thousands of disco records was blown up. fans stormed out onto the field in the thousands. disco records were hurled like frisbees. bonfires were set. bottles were thrown. the melee lasted an hour and a half and resulted in 39 arrests