Acknowledgments: Matt McGee (“U2: A Diary”), Neil McCormick (“U2 by U2”), Niall Stokes (“U2: Into The Heart”), U2 The Early Dayz,
U2.com, U2Gigs, Atu2, U2Start, U2Songs, Blog Sombras e Árvores Altas, Wikipedia and Fabio Barbosa
Thanks for the translation: Cecília Morais and Rita Biffi