Anders Osborne Band and Hook Herrera have joined the lineup for Gov’t Mule’s fourth annual Island Exodus destination event. Anders Osborne Band will perform three sets throughout the weekend while Herrera will be one of the weekend’s special guests. As previously reported, Island Exodus will return to Negril, Jamaica from January 16-20. Gov’t Mule will play three full shows during the event, and Haynes will also play an additional solo show. Additional guests and activities will be confirmed in the coming weeks. Haynes will perform with Phil Lesh & Friends at Terrapin Crossroads this evening.