As the story goes, the Byrds invented country rock in 1968 with the arrival of new guy Gram Parsons, the album known as Sweetheart of the Rodeo. It didn’t sell that well. There were no big deal hit singles. Mr. Parsons himself would be gone before the next album, chasing his own particular dreams and oblivions. But it seemed to stick anyway – the notion of putting country’s yearning and twang in service of the rock. It certainly worked for You Ain’t Goin’ Nowhere, a Bob Dylan nugget from perhaps the world’s most famous basement, wherein winter’s a-howling and Genghis Khan is running low on sheep for his kings, but the times are good regardless.