With Guitar Hero: World Tour set to launch on October 26th, Activision has released a list of downloadable content that will be immediately available. Activision has also apparently included a trailer for Guitar Hero: Metallica (which will arrive sometime next year), and they recently trademarked the name 'Guitar Hero Modern Hits,' which may be part of their plan to increase the amount of Guitar Hero content they produce. Meanwhile, new Rock Band 2 DLC tracks are coming as well, and the release dates for the PS2, PS3, and Wii versions have been set. Early reports say the Wii version made the platform jump better than the original Rock Band, and that all currently existing DLC will be available for Rock Band 2. MTV's Multiplayer blog took a look at Wii Music, which creator Shigeru Miyamoto calls, "Not quite a game and not quite an instrument."