text:  Country music today is linked with a certain kind of rah-rah patriotism, but that wasn't always the case. From WNYC in New York, this is On the Media. I'm Brooke Gladstone. And I'm Michael Onger. On this week's show, how the U.S. military gave the genre formerly known as hillbilly music a much-needed boost during the Cold War. You have Uncle Sam, arguably the most powerful promotional partner in the world, pushing that onto the airwaves.