Mastodon has announced a major North American headlining run for fall 2026, revealing “The Poisonous Weapons Tour” which coincided with the release of their latest single, “Your Ghost Again.” The 27-date tour will feature support from Deafheaven and Alcest,“The Poisonous Weapons Tour” is scheduled to begin Sept. 16 in Orlando, Florida, and will travel across the United States and Canada before concluding Oct. 24 at the Sick New World festival in Dallas. Stops along the route include Brooklyn, Boston, Chicago, Los Angeles, Toronto, Montreal, Denver and Atlanta, as well as a festival appearance at Louder Than Life in Louisville. The new track represents Mastodon’s first music since his passing and serves as the lead single for their upcoming, yet-to-be-announced ninth studio album. See the visual for ‘Your Ghost Again’ – HERE.