From: IGN
Tracks So Far:
Original Songs
"Miss Murder" by AFI
"Through Fire and Flames" by DragonForce
"Number of the Beast" by Iron Maiden
"3's and 7's" by Queens of the Stone Age
"Suck My Kiss" by Red Hot Chili Peppers
"Raining Blood" by Slayer
"Reptilia" by The Strokes
Slash's Original Boss Battle Recording
"Welcome to the Jungle" by Guns N' Roses
"Paint It Black" by The Rolling Stones
"Cherub Rock" by Smashing Pumpkins
"Sabotage" by Beastie Boys
"The Metal" by Tenacious D
"My Name Is Jonas" by Weezer
"Knights of Cydonia" by Muse
"Even Flow" by Pearl Jam
"Lay Down" by Priestess
"Cult of Personality" by Living Colour
Cover Songs
"Paranoid" as made famous by Black Sabbath
"Cities on Flame" as made famous by Blue Oyster Cult
"Mississippi Queen" as made famous by Mountain
"La Grange" as made famous by ZZ Top
"Rock and Roll All Nite" as made famous by Kiss
"School's Out" as made famous by Alice Cooper
"Rock You Like a Hurricane" as made famous by Scorpions
"Slow Ride" as made famous by Foghat
"Barracuda" as made famous by Heart
Other Songs - format undetermined
"One" as made famous by Metallica
Black Magic Woman by Santana
When You Were Young by The Killers
Tracks Announced in Leipzig
Minus Celsius (by the Backyard Babies)
Iβm in the Band (by the Hellacopters)
Take This Life (by the In Flames)
Hier Kommt Alex (by Die Toten Hosen)
In the Belly of a Shark (by the Gallows)
Avalancha (by the Heroes Del Silencio)
Ruby (by the Kaiser Chiefs)
Closer (by Lacuna Coil)
Generation Rock (by Revolverhead)
Mauvais Garcon (by Nast)
Radio Song (by Superbus)
Possible:
Sunshine Of Your Love by Cream
So far this isn't looking bad.