This video, https://www.youtube.com/watch?v=wJ9xEsGaO7c&list=PL-BrKY3INkw1gHZbX0J6ztwrCBTrX1jlM&index=1, can also be seen at https://www.youtube.com/channel/UCfD2MxaJ9Y-6eMMo-epSHBg.