Master recordings from Warner/Reprise artists Linkin Park, Mastadon and The Used will be available as a downloadable track pack for the Xbox 360 and PS3 versions of Guitar Hero III: Legends of Rock during this December, Activision announced. Additionally, Activision will offer single song downloads from such popular European bands as Extremoduro, Trust and Die Fantastischen Vier, as well as a free, exclusive rock rendition of the holiday classic "We Three Kings", recorded by Steve Ouimette.