"They were sort of half-written, so that the odd line here or there really did make sense, then came whole sections that were just 'Bongolese', as we came to call it."
- The Edge on Bono's song writing on U2's early tunes
did you know
U2 hold the record for the most powerful live sound system of all time. It used over a million watts - capable of killing someone if turned up to full.