Credits

Josh Homme: Vocals
Omar Rodriguez-Lopez: Vocals
Mastodon: Producer
Nick John: Management
Rich Costey: Mixing
Vlado Meller: Mastering
Scott Kelly: Vocals
Pablo Arraya: Mixing Assistant
Cedric Bixler-Zavala: Vocals
Matt Bayles: Producer, Engineer
Jim Keller: Engineer, Mixing Assistant
Mark Santangelo: Mastering Assistant
Michael Green: Pre-Production
Ben Verellen: Assistant Engineer
Chris Common: Drum Technician
Craig Aaronson: A & R
Doug Hill: Engineer
Bill Kelliher: Guitar
Bränn Dailor: Drums
Troy Sanders: Bass
Brent Hinds: Guitar, Vocals
Jonathan Debaun: Engineer
Jennifer Ellison: Cello
Alain Moschulski: Engineer
Eric Searles: Pre-Production
Nicola Shangrow: Violin
Erica Brewer: Violin
Paul A. Romano: Artwork, Design
Isaiah "Ikey" Owens: Synthesizer, Organ