Here's what is going on in the country music world....In a nutshell!  Sending a big Happy 49th Birthday to....

Garth Brooks!

- Steel Magnolia will appear on CBS' Late Show with David Letterman tonight!

- Dierks Bentley is recording a special version of his song "Sideways" for Fox Sports' coverage of the 2011 NASCAR season.  The song will debut with a "live" performance from the Daytona 500 on Feb. 20th.