Jimmy Buffett and the Zac Brown Band have been booked for the latest episode of CMT Crossroads. The performances will be filmed in front of an invitation-only audience in Nashville in December. It will air on CMT in March. Buffett will release a new album, Buffet Hotel, on Dec. 8. The Zac Brown Band's hits include "Chicken Fried," "Whatever It Is" and "Toes," all from their platinum album, The Foundation.