"Joy is a very hard thing to conjure and happiness won't do. We just couldn't get the fun onto the album. The songs weren't good enough. The themes were there. Some of the melodies were there. But it couldn't seem to get airborne."
- Bono on Pop
did you know
During the Achtung Baby recordings Bono often howled his frustration on mistakes, after a while the band imposed a new band rule: the hyped-up Bono is permanently forbidden to drink coffee.