As far as I'm aware this is the first time this form is available to the public. It's a little different than the other Guang Ping short forms I've seen from YC Chiang's students. I asked Dug to start teaching my Guang Ping and he started some of us local guys on this a few Sundays back.
https://www.youtube.com/watch?v=mxq_zMVAiP0