How Would You React to a Crazy Guitar Guy on a Train? [VIDEO]

I keep watching this video and thinking about how I would react if I was on the same train as this guy. I suppose, he's not hurting anyone and it's obviously some sort of joke or prank, so maybe I would mind my own business and laugh it off.

If my kids were with me, however, I'm sure we'd be moving to another part of the train. What about you? How would you react to something like this?

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