Herman Li Reflects on How DragonForce Became World Famous Because of ‘Through the Fire and Flames’ and Guitar Hero: ‘We Were Selling Albums Like Crazy’ Ultimate Guitar“The record label called to tell me that we were selling albums like crazy. We were playing just before Slipknot and Disturbed at festivals”: As Guitar Hero turns 20, DragonForce’s Herman Li recalls how the game turned them into a household name Guitar WorldLegendary rhythm game series ‘Guitar Hero’ celebrates 20th anniversary KTALnews.comGuitar Hero at 20 – how a plastic axe bridged the gap between rock generations The Guardian