Koko Guitar Hero III: Legends of Rockin kappalelista on vuotanut internettiin. Renkutettavaa materiaalia kyseiseltä listalta löytyy yhteensä 73 kappaleen verran. Kappaleet on jaettu yhteensä kahdeksaan luokkaan sekä bonuskappaleisiin.
Luokka 1:
Foghat – Slow Ride
Poison – Talk Dirty to Me
Pat Benatar – Hit Me With Your Best Shot
Social Distortion – Story of My Life
Kiss – Rock and Roll All Nite (Encore)
Beastie Boys – Sabotage (Co-op Encore)
Luokka 2:
Mountain – Mississippi Queen
Alice Cooper – School´s Out
Cream – Sunshine of Your Love
Heart – Barracuda
Tom Morello – Guitar Battle (Boss)
Rage Against the Machine – Bull´s on Parade (Encore)
The Strokes – Reptilia (Co-op Encore)
Luokka 3:
The Killers – When You Were Young
AFI – Miss Murder
The Who – The Seeker
Priestess – Lay Down
Rolling Stones – Paint It Black (Encore)
Red Hot Chilli Peppers – Suck My Kiss (Co-op Encore)
Luokka 4:
Black Sabbath – Paranoid
Sex Pistols – Anarchy in the UK
Sonic Youth – Kool Thing
Weezer – My Name Is Jonas
Pearl Jam – Evenflow (Encore)
Blue Oyster Cult – Cities on Flame with Rock and Roll (Co-op Encore)
Luokka 5:
The Dead Kennedy´s – Holiday in Cambodia
Scorpions – Rock You Like a Hurricane
Aerosmith – Same Old Song and Dance
ZZ Top – La Grange
Slash – Guitar Battle (Boss)
Guns N Roses – Welcome to the Jungle (Encore)
Bloc Party – Hellicopter (Co-op Encore)
Luokka 6:
Santana – Black Magic Woman
Smashing Pumpkins – Cherub Rock
White Zombie – Black Sunshine
Tenacious D – The Metal
Stevie Ray Vaughn – Pride and Joy (Encore)
Matchbook Romance – Monsters (Co-op Encore)
Luokka 7:
Slipknot – Before I Forget
Disturbed – Stricken
Queens of the Stone Age – 3´s and 7´s
Muse – Knights of Cydonia
Living Colour – Cult of Personality (Encore)
Luokka 8:
Slayer – Raining Blood
Eric Johnson – Cliffs of Dover
Iron Maiden – Number of the Beast
Metallica – One
Lou- Guitar Battle (Boss)
Charlie Daniels – The Devil Went Down to Georgia (Encore)
Bonuskappaleet:
An Endless Sporadic – Impulse
Backyard Babies – Minus Celsius
Bret Michaels Band – Go That Far
Die Toten Hosen – Hier Kommit Alex
Dragonforce – Through the Fire and the Flames
Fall of Troy – FCP Remix
Gallows – In the Belly of a Shark
The Hellacopters – I´m in the Band
Heroes del Silencio – Avalancha
In Flames – Take This Life
Kaiser Chiefs – Ruby
Killswitch Engage – My Curse
LA Slum Lords – Down N Dirty
Lacuna Coil – Closer
Lions – Metal Heavy Lady
NAAST – Mauvis Garcon
Prototype – The Way It Ends
Revolverhead – Generation Rock
Rise Against – Prayer of the Refugee
Scouts of St. Sebastian – In Love
Senses Fail – Can´t Be Saved
The Sleeping – Don´t Hold Back
The Stone Roses – She Bangs the Drums
Superbus – Radio Song