"We supported The Stranglers in the early days. I tried to persuade JJ to wear one of our badges: 'U2 can happen to anyone'. He said 'fuck off', and rightly so. But I took it badly and we robbed their dressing room - totally cleaned it out."
The show where the Red Rocks show was recorded would originally have been postponed due to bad weather, but the band couldn't afford this because they had a film crew over. That is the reason the show happened regardless.