"Playing outdoors was a huge worry, because I've never seen an outdoors how that I really thought was great. Once we got started though we were fine, in fact we're so pleased with the way the outdoor shows went that we decided to add more outdoor shows to the American tour."
- The Edge, 1987
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.