"It was quite hard for the band to shift from having played to loops of other people to playing to loops of themselves. We felt it was essential to do that, though, because you can get very lazy with samples. They're an easy way to get the ball rolling, but you're always in danger of sounding like some basic samples with the band on top. You're in danger of being dictated to by what's there, rather than saying: 'this is just our springboard'."
- Pop-producer Flood, on the use of samples on Pop
did you know
According to the booklet of 'Walk On', U2 says that the song is dedicated to Aung San Suu Kyi, in some parts of the lyrics U2 mentions the struggle of this woman to free her country.