Carrie Underwood will sing the national anthem at Country Radio Seminar on March 2 in Nashville. Her performance will officially open the private event for the country radio industry. It will be her first time to perform the national anthem at CRS. Presented by Country Radio Broadcasters Inc., the seminar will take place in downtown Nashville from March 2-4. As previously announced, Blake Shelton will headline the CRS Music City Jam that night. His performance is sponsored by the Academy of Country Music.