Harmonix warns users of various Rock bands that some older tracks, among those available from the store game, music could be removed in the coming months due to the expiration of the license agreements. The first to be removed are the Metallica Pack 01 and individual tracks Ride The Lightning, And Justice For All and Blackened , already disappeared from the store in-game and soon to be removed even from the Marketplace . Harmonix stated that will do as much as possible, to allow users to have a last chance to download the songs before their tombstones.