"We spent 10 minutes writing this next song, 10 minutes recording it, 10 minutes mixing it, 10 minutes playing it back and that has nothing to do with why it's called '40'."
- Bono, 1987, introducing the song '40'
did you know
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.