RedOctane announced a sequel to Guitar Hero, you know that music game that has you wield a sweet plastic guitar on your PS2. The next game keeps to its rock and roll roots with fifty five new songs to thrash with. Guitar Hero II also has multiplayer co-op mode where two players play together to complete a song. Harmonix said that the game will be shown at E3 so we’ll see what other info we can get on it in May.