"You can't repeat yourself. You can't rely on things that have been done before by anybody else, you've got to find new territory. So every time we go into the studio and every time we sit down to start talking about a live production, we ask ourselves the same question: 'What's never been done?'"
- The Edge on the 360 tour
did you know
U2 have recorded and released several songs that explicitely or implicitly regard Iris Hewson's death and how it affected Bono. Some of these songs are Tomorrow, Lemon, Mofo and Iris.