"I think the last record was very much a sort of U2 fan base record. I don't think we made a hell of a lot of new fans on that record. And with this album, I believe we can."
- The Edge on Songs of Innocence, 2014
did you know
The PopMart Tour (1997-1998) cost U2 $214,000 per day, even when they were not performing a show.