"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
The song 'One Tree Hill' is named after the highest volcanic hill in Auckland and was dedicated to Greg Carroll, who had become Bono's personal assistant. Greg Carroll was killed in a motorcycle accident in 1986.