Does anyone at Ultimate Classic Rock fact check? 1978? I clicked to the linked article and it really says 1978. Also to say audience was "over 30,000" is interesting. The video of that day shows very few empty seats and the entire field is full of people. In 1977 the seating capacity was around 54,000. So if by "over 30,000" they mean about 50,000 I guess that is right. For the attendance to be around 30,000 the field would have to be empty and the seats would have to be less than 60% full.