WorthPlaying writes: "Rock Band 2 builds upon the first music game to introduce co-op band gameplay, multiple instruments, online multiplayer, unparalleled downloadable content and raises the bar by delivering an entirely new level of depth, connectivity, authenticity and features. Currently recording their next album, Atlanta heavy metal quartet Mastodon revealed its Colony Of Birchmen track will be featured on Rock Band 2, but also let slip dates for the PS3 and Wii editions."
