The CMA Music Festival has officially begun in Nashville. Each year, thousands of country music fans descend on Music City for the "largest country music party in the world," which boasts more than 100 hours of concerts, 30 hours of celebrity autograph signings, interactive exhibits, fan club gatherings and much more.

Jo Dee Messina and Phil Vassar are kicking off the four days of nonstop concerts with a show on the banks of the Cumberland River Thursday morning. More than 100 artists are expected to perform on the river's floating stage over the next four days. The nightly shows at the Tennessee Titans' LP field include performances by Sugarland, Josh Turner, Taylor Swift, Jewel, Jack Ingram, Miranda Lambert, Josh Turner, Faith Hill, Little Big Town, Trace Adkins, Kenny Rogers, Alan Jackson, Randy Travis, Sara Evans, Billy Ray Cyrus and many more.

For a full schedule of events, visit the CMA Music Festival's official site: http://www.cmafest.com/2008.