"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 Popmart stage design, which looked like a supermarket, appealed to Bono as a supermarket, with its myriad choices and temptations, could function as a metaphor for U2's songs, as they often deal with the struggle between desire and faith.