"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 song 'One Tree Hill' is named after the highest volcanic hill in Auckland and was dedicated to Greg Carroll, who had become Bono's personal assistant. Greg Carroll was killed in a motorcycle accident in 1986.