Monsters of Rock '88 (formally known as Van Halen's Monsters of Rock) is the third time American heavy metal band Metallica would tour on the "Monsters of Rock" tour festival, being their second year in a row playing on the bill. The tour would support as a pre-release tour for the upcoming album ...And Justice for All, as result Harvester of Sorrow would make a few appearances on setlists throughout the tour, though it's live debut would be a few days before the tour began.