"Zakk Wylde Guitar Duel" is a song by Zakk Wylde made for the game Guitar Hero World Tour. It is normally playable in the Carieer mode, but it's also a downloadable track from the online store for Guitar Hero: Warriors of Rock under the name "Guitar Duel With Zakk Wylde (Co-Op)". Basicaly what this duel is about, is playing with Zakk, but trying to win with score points. It is kind of like playing with another opponent.