Here is the GH3 DLC edition, a custom GH with all the DLC songs(+3 rockband songs)
Quick Play: Work
Multiplayer: Work (battle mode works)
co-op Carrer: work
carreer: not tested
training: only in God of war song and call me, only on full speed; other songs doesn't work


SETLIST (thanks to supness08)
-----------------------------------------------------
1.
Foo Fighters - All My Life
Journey - Any Way You Want It
Aerosmith - Dream On
Muse - Exo-Politics
ENCORE: Joe Satriani - Surfing With The Alien
CO-OP ENCORE: Flyleaf - Tina


2.
No Doubt - Excuse Me Mr.
Dropkick Murphy's - Famous for Nothing
Dropkick Murphy's - Flannigan's Ball
Coldplay - God Put a Smile upon Your Face
GUITAR BATTLE: Tom Morello
ENCORE: Deftones - Hole in the Earth
CO-OP ENCORE: Sex Pistols - Problems (Live at Brixton)


3.
O'Donnell/Salvatori/Vai - Halo Theme MJOLNIR Mix
Level 70 Elite Tauren Chieftain - I am Murloc
Dropkick Murphy's - Johnny, I Hardly Knew Ya
Foreigner - Jukebox Hero
ENCORE: The Used - Pretty Handsome Awkward
CO-OP ENCORE: Kasabian - Shoot the Runner


4.
Velvet Revolver - Messages
Def Leppard - Nine Lives
Def Leppard - Photograph
Boston - Peace of Mind
ENCORE: Mastodon - Sleeping Giant
CO-OP ENCORE: No Doubt - Sunday Morning


5.
Def Leppard - Rock of Ages
Velvet Revolver - She Builds Quick Machines
Slash - Slash Guitar Battle
Velvet Revolver - Slither
GUITAR BATTLE: Slash
ENCORE: Buckethead - Soothsayer
CO-OP ENCORE: Motorhead - (We Are) The Road Crew


6.
Muse - Stockholm Syndrome
Muse - Supermassive Black Hole
Steve Ouimette Inspired by the Charlie Daniels Band - The Devil Went Down to Georgia
Foo Fighters - The Pretender
ENCORE: AFI - Carcinogen Crush
CO-OP ENCORE: Motorhead - Motorhead


7.
Foo Fighters - This Is a Call
Tom Morello - Tom Morello Guitar Battle
Steve Ouimette - Top Gun Anthem
Coldplay - Violet Hill
ENCORE: Marilyn Manson - Putting Holes in Happiness


8.
Steve Ouimette - We Three Kings
Coldplay - Yellow
No Doubt - Don't Speak
Kaiser Chiefs - I Predict a Riot
GUITAR BATTLE: Lou(Devil)


9. BONUS
Motorhead - Stay Clean
Thrice - The Arsonist
Avenged Sevenfold - Almost Easy
Steve Vai - For The Love of God
Linkin' Park - No More Sorrow
Metallica - All Nightmare Long
Metallica - Broken, Beat & Scarred
Metallica - Cyanide
Metallica - That Was Just Your Life
Metallica - The Day That Never Comes
Metallica - The End of the Line
Metallica - The Unforgiven III
Metallica - Suicide & Redemption J.H
Metallica - Suicide & Redemption K.H
Metallica - The Judas Kiss
Metallica - My Apocalypse
Die Fantastischen Vier - Ernten Was Wir Saen
Dragonforce - Revolution Deathsquad
Dragonforce - Heroes of Our Time
Dragonforce - Operation Ground and Pound
Extremoduro - So Payaso
God of War II - The end begins (to rock)
The Knack - My Sharona 
Boston - More than a feeling 
Blondie - Call me