"It’s reminiscent of the very beginning of our band, where all members are hungry, we're united, and excited to get to work." Mastodon reveal new album Marrow Deep, expand to a five-piece and recruit Josh Homme for new single

Mastodon press shot 2026.

Mastodon will release their new album, titled Marrow Deep, on August 28 through Loma Vista Recordings.

Their follow-up to 2021's Hushed and Grim marks their first full-length release as a five-piece, as they officially welcome guitarist Nick Johnston and The Claypool Lennon Delirium keyboardist João Nogueira into the line-up.