Grammy-nominated heavy Rock legends Lamb of God are joining forces with Grammy-winners Mastodon! Titled 'Ashes of Leviathan' this tour will be in celebration of the 20th anniversaries of the 2004 albums 'Ashes of the Wake' and 'Leviathan'. Kicking off this summer with support from Kerry King, Malevolence and Unearth. Fans can expect a summer to remember with recent headbangers as well as their genre-defining heavy metal classics!