Neversoft will be releasing a PlayStation 3 exclusive God of War II track entitled "The End Begins (to Rock)" for Guitar Hero III: Legends of Rock as part of the weekly PlayStation Store update later today.
According to the Official PlayStation Blog, the Guitar Hero III add-on will be free as well as the audio track. For a quick glimpse at what PS3 owners will be rocking out to, check out the video provided by SCEA below:
Have fun!