So here’s Neil Young performing “Heart of Gold,” in the same live performance as the video of “Old Man.” The material at the time of the recording – 1971 – was so new, that Young jokes about having differently tuned harmonicas, and not quite knowing which harmonica was the right one for each song. Again, this one is posted in honor of Neil’s Madison Square Garden show tonight. As you can tell it’s an incredibly intimate performance that makes you feel as though you were there with Neil …