"At school he stuck out like a sore thumb. He used to drink coffee in class and the teachers got used to it. He wore a kilt. He also took off his clothes at one rehearsal when he got very excited."
- Bono, on Adam
U2 have played nearly 1500 live shows all around the world which all told have consisted of over 20,000 various songs played in proper live shows, promotional dates and impromptu performances with many regions such as China yet to see a live U2 performance.