"We have a song called Bullet The Blue Sky, and I always thought it was an odd bass part but Edge has explained to me recently that it's in a different key to the rest of us."
- Bono, 2005
did you know
During the ZooTV Tour U2 introduced a new stage concept called the B-stage. It allows for more intimate and stripped-down performances of songs, later used by Aerosmith, Bon Jovi and Coldplay amongst others.