"Actually '78 was a really exciting time for U2. We had just discovered F sharp minor. So we had the fourth chord and we'd only had three up to then."
did you know
The name Achtung Baby was chosen so that their new album could not be taken seriously because on their last album Rattle and Hum, they were critically attacked. Achtung means attention is German: "Attention, Baby," is the literal translation.