Watch a brand new clip featuring Billy Corgan from Smashing Pumpkins on the upcoming video game “Guitar Hero World Tour” coming soon to the Xbox 360, Playstation 3, Playstation 2 and Nintendo DS. Description: Guitar Hero World Tour delivers more ways to play than ever before. Virtual musicians can live out their rock and roll fantasies by playing either a single instrument, or any combination of instruments, in addition to the full band experience. In addition to all of the online gameplay modes from Guitar Hero III: Legends of Rock, Guitar Hero World Tour introduces Battle of the Bands mode which allows eight players to join online and challenge each…