Members of Jefferson Airplane sit with promoter Bill Graham and musician Country Joe McDonald at the free Woodstock Music and Art Fair. The festival took place on Max Yasgur’s dairy farm, which he rented to event organizers for $75,000. About 450,000 people attended the three day concert, which turned into chaos due to the crowds, heavy rains, and traffic jams. It is nonetheless romantically remembered as a symbol of the liberal spirit of the hippie generation.