"I hope we learn a lot on this tour. I hope we learn the weaknesses and the strengths of what we've done, to enable us to stretch ourselves the next time round."
- Adam Clayton ahead of The Joshua Tree tour
did you know
In late 2004, "Mercy", an unreleased track taken from the How to Dismantle an Atomic Bomb sessions, surfaced on the Internet through a fan who had been given a copy of the album containing the extra track. The track is of less than standard audio quality, but managed to become a favorite on fan websites.