1. 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
  2. Guitar Hero at 20 – how a plastic axe bridged the gap between rock generations  The Guardian
  3. “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 World
  4. 3 Legendary Video Game Franchises Began Exactly 20 Years Ago  ComicBook.com
  5. Legendary rhythm game series ‘Guitar Hero’ celebrates 20th anniversary  Currently.com