"Working with B.B. King is a mixed blessing because he's the only guy I know that when he moves back from the microphone his voice gets louder. I feel like a little girl when I'm singing with him."
- Bono, 1989
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.