Jimmy Buffet will head to Nashville next month to join the Zac Brown Band for a taping of CMT Crossroads.  The duo will perform for an invitation-only crowd for the special that will air in March 2010.

In other Zac Brown Band news, Variety puts Zac Brown Band among one of the lead contenders for a Best New Artist nomination at the Grammy Awards next year. Those nominations will be announced December 2nd during a live special on CBS that night at 7:00 PM CST.