Sometimes a particular piece of music hits you as so insightful, so acutely reflecting the issues of your time, that the songwriter seems to be channeling some urgent message the gods require in order to restore a measure of balance and perspective to the insanity that abides, on the events of your historical moment that leave you shaking your head and wondering, “How can this be happening?” And then, in a kind of doubling down on the songwriter’s vision, the message of his or her song in a subsequent era, rather than fading into irrelevance, instead achieves even more urgency, as the…