"When you sing, you have to open yourself up, you have to be raw. And you have to reveal yourself, and sometimes it's very difficult for me to listen to that back, because it might not be as macho as you see yourself."
- Bono, 2002
did you know
U2 hold the record for the most powerful live sound system of all time. It used over a million watts - capable of killing someone if turned up to full.