"On my memory Walk On was very difficult to record. And I know that sounds crazy looking back, but it wasn't always so clear where the song was lurking. But I have to say when I go back to it now I go, 'That is world class. So that's up there with anybody else's songs.'"
- Adam, 2020
did you know
The song 'Is That All?' is about Bono acknowledging his feelings of creative frustration and failure.