Activision today released a couple of new trailers for Guitar Hero World Tour, showcasing the latest installment from the Guitar Hero series, due to ship this holiday, for Xbox 360, PS3, PS2 and Wii. The game will feature a slick newly redesigned guitar, a genuine electronic drum kit and a microphone, as well as an innovative Music Studio music creator that lets players compose, record, edit and share their own rock and roll anthems, along with online Band Career and 8-player "Battle of the Bands". In related news, Activision and Target announced a Guitar Hero World Tour Tournament taking place in Los Angeles at the E for All expo, so check the press release for details.