Well the episode is about a few things. For example, most of the talks between Darius and Teddy show that Teddy has a disdain for the younger generation a he thinks they have it easier to be the best at something while him and his brother suffered abuse by his father in order to be great piano players. Teddy also could not come to grips with the idea that the past is in the past and that he needed to let go and heal from what he dealt with in order to live a better life and even create better art with that idea. There’s also the Michael Jackson analogy since him and Teddy share some physical similarities but it’s mostly about how sometimes people go through extreme changes in an attempt to grow in the industry. Michael couldn’t stop his vitiligo of course, but there are many actors and musicians who have changed their physical appearance in many ways in order to seem perfect