2009 release, the Punk trio"s long-awaited eighth studio album,. The album is the best-selling trio"s first studio album since 2004"s two-time Grammy Award-winning Punk Rock opera American Idiot, which debuted at #1 on the Billboard chart, spawned five hit singles, and went on to sell more than 12 million copies worldwide. 21st Century Breakdown is divided into three acts: "Heroes and Cons," "Charlatans and Saints," and "Horseshoes and Handgrenades," and follows a young couple, Christian and Gloria, through the mess and promise of the century so far. Songs include "Know Your Enemy", "21 Guns", "East Jesus Nowhere", "Before the Lobotomy", and "Restless Heart Syndrome."