SID related links

• commodore.ca
  
  great site dedicated to recount the full history of Commodore computer. With
  lots of nicely written articles, pics, videos, ad brochures and manuals.
  Highly interesting and highly recommended if you want to know how everything
  started with an innovation called computer!
  
  
  
• GAMEBASE64. The ultimate C64 gaming resource
  
  emulators, ALL the games (no joke!), tons of SIDs and background infos.
  Highly recommended!
  
  
  
• www.hsvc.c64.org

Project focused on the C64 in-game music known as SID format. ALL C64-game
soundtracks for free download! Amazing!