What is the home of the core group that is part of the core artists of Hot Country and is on the Southern Ground Artist's label?  
Hot Country: Hot Country is a 24-hour music format produced by Westwood One. Hot Country:  Core artists include Luke Bryan, Lady Antebellum, Blake Shelton, Zac Brown Band, Keith Urban and Taylor Swift among others. Zac Brown Band: Zac Brown Band is an American country music band based in Atlanta, Georgia, on the Southern Ground Artists label.
Atlanta, Georgia