As someone who remembers thinking Frigid Pink recorded the definitive version of House of the Rising Sun, it’s hard to admit falling deep for a bluegrass song. But it happened. A while back a friend lent me a DVD, Best of the Flatt & Scruggs TV Show. This was Volume 1 with episodes from August 1961 and February 1962. Lester Flatt (lead vocal and guitar) and Earl Scruggs (banjo) were at the height of their creative and performance powers. I listened to the first 18 songs. Liked them, appreciated them, respected them. Song 19 sent chills down my spine. It was called, Don’t Let Your Deal go Down. I played…