Widespread Panic percussionist Sunny Ortiz and longtime Steve Winwood/Cowboy/Allman Brothers Band family collaborator Randall Bramblett will perform at Athens, GA’s New Earth Music Hall tomorrow. The veteran musicians will sit in with Isaac Bramblett Band, the group led by Randall’s son. Randall Bramblett regularly shares the stage with Widespread Panic.

Athens band St. Francis will headline tomorrow’s show. The band was formed by former Moonshine Still member Scott Baston in 2007.