"This is the man who invented my job," said U2 lead singer Bono, introducing McCartney.
"On the way here Paul McCartney, who was driving the car, was pointing out every place in Liverpool. It was like being in the Pope-mobile with the Pope driving. In the universe of rock and roll bands, the Beatles were the big bang.
"I saw tonight how much Liverpool means to Paul McCartney and you can feel how much Paul McCartney means to Liverpool."