Watch Marty Stuart Sing, Shred and 'Streamline' on 'Letterman'

"I'm a streamline lover; nobody touch my speed."
That's a line from "Streamline," a bluesy track from the most recent album from Marty Stuart and his Fabulous Superlatives, Saturday Night/Sunday Morning. Although in the context of the song, it extols the virtues of a "backwoods Romeo," it also works well to...