Comme en témoigne ce message sur le site officiel (cliquez là), Guitar Hero II contiendrait un large choix de chansons additionnelles à débloquer :

Dethklok - Thunderhorse
Drist - Artiel Black
Every Time I Die - The New Black
Anarchy Club - Collide
Valiant Thor - Fall of Pangea
Vagiant - FTK
Breaking Wheel - One For The Road
Buckethead - Jordan (original song for GHII)
All That Remains - Six
Made In Mexico - Yes We Can
Voivod - The X-Stream
That Handsome Devil - Elephant Bones
The Acrobrats - Laugh Track
Camaros - Lady Lightning
Freezepop - Less Talk More Rokk
Amazing Crowns - Mr. Fix It
The Neighborhoods - Parasite
Shadows Fall - The Light That Blinds
Honest Bob and the Factory to Dealer Incentives - Soy Bomb
The Last Vegas - Raw Dog
Count Zero - Radium Eye
Gnashing Of Teeth - Generic
Brian Kahanek - Gemini
The Casket Lottery - Red House

Le jeu sortira le 17 Novembre en Europe.