Bluegrass Underground has caught the attention of visitors throughout the nation and around the world.Now it’s caught the attention of our very own governor.The office of Gov. Bill Haslam has confirmed he will be in Warren County this Saturday as the seventh season of the Bluegrass Underground TV series is filmed at Cumberland Caverns. The show airs on PBS and has earned regional Emmys for production quality.Four bands are scheduled to play each day this Friday, Saturday and Sunday.Highlighting the lineup are The Mavericks, Marty Stuart, Blues Traveler and the Chris Robinson Brotherhood.“As mayor of the best little city in Tennessee, and maybe the country, it is always a pleasure to showcase our community and its assets,” said McMinnville Mayor Jimmy Haley.