"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
The lyric "3:33 when the numbers fell off the clock face" from Unknown Caller is a reference to the Bible verse Jeremiah 33:3. Bono refers to it as "God's phone number".