This is Ma Yueliang, who is credited in the taijiquan manual I've linked you, performing another fast version of the solo set by himself. I was incorrect in mentioning him as the author of the book describing the set; he was not the author but he did contribute.
htt p://w ww .youtube.com/watch?v=TrEgivmDaM8&feature=share&list=PL1CB29498E0A1AE11
(take the spaces out, this website won't let me use links on PMs)
htt p://w ww .youtube.com/watch?v=TrEgivmDaM8&feature=share&list=PL1CB29498E0A1AE11
(take the spaces out, this website won't let me use links on PMs)