"I had nothing to do with it. I can't stand it. I can't stand listening to our music, I break out in a rash. It's all the coulda, shouldas. And in the'80s, I think I sang like a girl. A girl with a mullet."
- Bono, 2006
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.