Thank-you Gaveston and everyone else for your comments. Here is the cover image of the album from the wikipedia page. It is a bit small to make out what I was asking about. I know Tommy Tune is pretty tall already, but I wonder if he was perhaps on some sort of stilts during that number which bent forward - though that would be pretty risky to use walking down stairs.
My good camera isn't working, so I had to use my phone, but this is the best image I could get of him from my LP. It makes him look like he is in blackface. Wait, I've never seen the show. IS he in blackface?
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