He says: "Each song on our 2013 album Shout! has its own personality - it sounds like Gov't Mule but doesn't sound like anything we'd ever done. These archive releases further that concept. They allow us to highlight some of our influences as well as how far we've come since the first album."

Dark Side Of The Mule is released via Mascot Label Group on December 8 on deluxe 3CD/DVD and standard CD. A double-vinyl edition follows on January 13.