Zac Brown revealed on Thursday that he will be bringing his Southern Ground Music & Food Festival to Nashville this year.  The festival, which debuted last year in Charleston, South Carolina, will still be held in Charleston in October, but will first descend on Nashville's The Lawn at Riverfront Park on September 21st and 22nd.  The Zac Brown band will, of course, take the stage on both noghts at both stops, and additional acts will be announced in the coming weeks.