Green Day have revealed today that they will release upcoming new album, 21st Century Breakdown, on Friday May 15 - worldwide.Last week, the band gave Kerrang! a sneak-preview of the follow-up to 2004's American Idiot.The record was recorded in LA at Ocean Way Studios with producer Butch Vig (Nirvana, Against Me!, AFI) and features 16 tracks - divided into three acts: Heroes And Cons, Charlatans And Saints and Horseshoes And Handgrenades.For more details, and track names from the upcoming album, see this week's Kerrang! magazine!