Among the revelations from the banter with the crowd: U2 is considering reworking and re-releasing some early work including its debut album, 1980's "Boy," which included U2's first big hit, "I Will Follow."

"I would love to sing that album again and finish that," said lead singer Bono. He said the band was rushed from the studio producing "Boy" because they "couldn't afford another hour."

"The early records, there's some beautiful songs that feel a little bit unfinished to us," he said. - more on this story

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