Just wait 20 years. The early 2000's are going to seem crazy…hopefully.

He was singing during the reprise. Just not during the march to the court room.

So not racist at all. Because 'American yoga subculture' is not a race. It's not even close to being an oppressed group. Also, if you listen to the song again its more about what Rebecca thinks about Valencia than yoga.

Its even funnier if you understand the history of The King and I. Essentially, the lady whose memoirs the play is based on, made up everything. The book, play and movies are all banned in Thailand because of that and it's portrayal of the King.