The Atlas Underground is the fourth studio album by American rock musician Tom Morello and the first one released uniquely under his own name. The album was released on October 12, 2018, by Mom + Pop Music. The album features guest appearances from Knife Party, Bassnectar, Big Boi, Killer Mike, Portugal. The Man, Whethan, Vic Mensa, Marcus Mumford, Steve Aoki, Tim McIlrath, K.Flay, Pretty Lights, Carl Restivo, Gary Clark Jr., Nico Stadi, Leikeli47, GZA, RZA and Herobust.