Spend the indicated amount of money at the Song Shop to unlock the corresponding song:

Acro-Brats (Call Out): $250
Anarchy Club (Behind the Mask): $250
Artillery ("The Breaking Wheel"): $250
Black Label Society(w/ Zakk Wylde) (Fire it up): $300
Count Zero (Sail Your Ship By): $250
Din (Fly on the Wall): $250
Drist (Decontrol): $250
Freezepop (Get Ready 2 Rokk): $250
Graveyard BBQ (Cheat on the Church): $300
Honest Bob and the Factory-to-Dealer Incentives (Hey): $250
Made in Mexico (Farewell Myth): $250
Monkey Steal the Peach (Guitar Hero Theme): $250
Shaimus (All Of This): $250
The Bags (CaveMan Rejoice): $300
The Model Sons (The Story OF MY LOVE): $250
The Slip (Even Rats): $250
Upper Crust (Eureka, I've Found Love): $300