This Might help.. recently uploaded from one of my tai chi teachers (who was the last live in Student of Master Huang Sheng Shyan) that I've been training with for the past 15 years, which I've been training in the same Tai Chi system the past 22 years.. https://www.youtube.com/watch?v=W1Pye8Hweho and couple of articles history of master huang. https://www.taijisoce.com/articles/history-of-master-huang-sheng-shyan-huang-xing-xian + Part 2 https://www.taijisoce.com/articles/history-of-master-huang-sheng-shyan-huang-xing-xian-part-2 and there's some some other good articles to help improve your tai chi practice from a down to earth perspective..