Someone shared this on RSF, and I have never seen it before. Sun Jian Yun, Sun Lu Tangs daughter and Tim Cartmell's teacher, is here demoing a section of Sun Taiji. Not sure of the year but she is well into her 70's at least. Envious to see the energy and happiness her fathers Taiji still brought her well into her Autumn Years! She was a beautiful woman, it saddens me that I never had the chance to meet her and train.
I am not sure of what she is saying. Much of it is explaining the footwork ("Kai Bu"), and the names of the various postures, but I cannot make out the rest over the mind numbing music.