The singer said the band is now working through those demos during the French sessions and that while the new record is not world music, he promised fans would "feel the difference."

"U2 in dancefloor shock!" joked Bono. "Normally when you play a U2 tune, it clears the dancefloor. And that may not be true of this. There's some trance influences. But there's some very hardcore guitar coming out of the Edge. Real molten metal. It's not like anything we've ever done before, and we don't think it sounds like anything anyone else has done either." - more on this story

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