Best Wishes Jon.
Remember that show? More like a 'mini festival' than anything: Poussette Dart Band, Gary Wright [Dream Weaver], Peter Frampton, then YES for the nightcap! Great lineup that day! I remember it was a hot hot HOT day, with the crew spraying water on the audience to keep 'em cool ... then it became rather chilly at night, so ppl gathered up all the discarded cardboard beverage containers that were being sold and started a series of little bonfires all around the grounds of the stadium ....
A day (and show) to remember ..... :)