>> in the 2000s rock itself becomes numb and weirdly apolitical for a time when the country was at war. >> post-9/11 some believe familiar music will sell well this holiday. ♪ and i've been wrong i've been down to the bottom of every bottle ♪ >> nickelback, they had bigger hits than anybody. >> everybody's welcome in the nickelback club. we've got a big club. ♪ yeah, yeah ♪ >> a lot of rock is not really doing what it used to do, and it's almost like it lost its will to fight. unless you're talking about green day. ♪ ♪ don't want to be an american idiot ♪ >> you can't undersell how shocking it was that the definitive statement on george bush's america came from green day. ♪ welcome to a new kind of tension all across the alien nation ♪ ♪ everything's meant to be okay ♪ >> it was kind of like a rock opera.