One of my favorite musical activities is to snag a bunch of versions of the same song off You Tube or iTunes and then luxuriate in the fine art of interpretation. It’s rather like stepping into a favorite winery and assenting to the server’s inquiry with, “Why yes, I believe I will try seven different pinots from your seven different vineyards scattered over hill and coast and dale. Cheers!” This is especially true when the song is just flat-out great, garnering the deep respect and reverence of the covering artists. A song, for example, such as Bob Dylan’s “Boots of Spanish Leather.” What a song.…