Following up "21st Century Breakdown" won't be nearly as daunting. GREEN DAY With: The Kaiser Chiefs When: Friday, Aug. 7, 8 p.m. Where: New Orleans Arena Tickets: $25 to $49.50 plus service charges.

Nothing’s ever built to last You’re in ruins A Rock Opera Just as Green Day’s previous album, American Idiot, had a story arc throughout, 21st Century Breakdown follows the same approach.

Even them.Marina Chavez With 2004’s resounding, career-reviving smash American Idiot —and now, the superior 21st Century Breakdown —Green Day have not so much evolved as been completely reborn.

Five years on, 21st Century Breakdown is even more ambitious than Idiot. Obama may have replaced Bush in the White House, but the pop-punkers remain just as pissed off as before.