A lone figure at a party reflects that the rest of the revelers don't know that "xylophones" with metal bars are actually glockenspiels.
22:53 to be precise: https://www.youtube.com/watch?v=bv_4sZCLlr0&t=1373
22:53 to be precise: https://www.youtube.com/watch?v=bv_4sZCLlr0&t=1373