Hushed and Grim is the eighth studio album by American heavy metal band Mastodon. It was released as double album on October 29, 2021, through Reprise Records. The album is the band's longest to date, their first double album. Guest appearances include Soundgarden's Kim Thayil on 'Had It All' and Troy Sanders' mother Jody Sanders on French Horn but no guest vocal appearance by Scott Kelly from Neurosis for the first time since their 2002 debut Remission, due to Kelly's withdrawal from the public eye that was not announced until August 2022. The album also serves as a tribute to Mastodon's former manager Nick John, after his death from cancer in 2018.