The opening ceremony was held on the main straight of the Indianapolis Motor Speedway, the site of the Indianapolis 500. Crowd size reports range from 69,518, the official capacity of the stadium proper, to 80,000. The show, "The Magic that is America", was produced by The Walt Disney Company at a cost of several million dollars. The 6,500 performers made it the largest outdoor live entertainment show held in the United States up to that date. It was also the largest opening ceremony of the Pan Am games to that time.