"Bono was on fire with lyric and song ideas. His singing had reached a whole other level as if some spirit has entered his body pushing him into uncharted falsetto territory."
- Daniel Lanois on recording Achtung Baby
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.