It’s been a long time coming, but tonight, because of what we did on this date in this election at this defining moment, change has come to America.

— Barack Obama, Nov. 4

I guess you have to be a certain age to hear Sam Cooke’s voice in this. For me, “A Change is Gonna Come” was not so immediately impressive or irresistible as many of Cooke’s other classics. But it has staying power. And now, I think, it’s acquired a new and even deeper resonance. So here are a few versions to round out your personal Change ’08 soundtrack.

If the measure of a good song is the ability to stay on its feet through a blizzard of covers, then “Change” is here to stay.