Idolator — ARTIST: Green Day TITLE: "Know Your Enemy" WEB DEBUT: April 16, 2008 ONE-LISTEN VERDICT: The first song from 21st Century Breakdown isn't as immediate a listen as the initial single from its predecessor American Idiot; it's a straighter-than-stra... more info

Jam! Showbiz Music, Canada — American Idiots they ain't. Bay Area pop-punk titans Green Day have just released Know Your Enemy, the leadoff single from their much-anticipated eighth album 21st Century Breakdown. more info

VH1 Blog — Green Day freaks have been waiting a while for the superstar punk trio’s follow-up to their monumental American Idiot. But the wildly anticipated 21st Century Breakdown is on its way (due May 15) and to whet appetites, the disc’s first video is b... more info

Gigwise — They play '21st Century Breakdown' in full... more info

NME — Band premiere record at hometown gig - and also find time for some classics more info

Rolling Stone — • Matt Giraud Rescued on American Idol • The New Issue: Kings of Leon • Green Day Rock Stunning Hometown Gig • Jack White’s Dead Weather Debut in NYC • Michael Jackson Halts Neverland Auction • Dave Matthews Brings Gregg Allman to NYC â... more info

XFM.co.uk — We played it first this morning, now you can listen to ‘Know Your Enemy' once more. Guess what? It's a belter. more info

Rolling Stone — Green Day played the third and biggest show of their week-long tour of the Bay Area on April 14th, performing the whole of their imminent new album, 21st Century Breakdown, at the Fox Theater in the band’s hometown, Oakland, California. An opulent,... more info

New Times Broward-Palm Beach, FL — These days, it's no surprise to see a rock star rally 'round a worthy cause. Hell, Bono alone seems to make more news than all the NGOs working in Africa combined. And bands such as Pearl Jam, Green Day, and Bad Religion have been rocking the good fi... more info

411 Mania — Plus, full tracklisting and lyrics posted for new album... more info