According to the Internet Archive, this video footage is from Irving "Kaps" Kaplansky's 80th Birthday Celebration on March 19, 1997 at the Mathematical Sciences Research Institute (MSRI) in Berkeley, CA.

A fun little song about how to find a derivative.
According to the Internet Archive, this video footage is from Irving "Kaps" Kaplansky's 80th Birthday Celebration on March 19, 1997 at the Mathematical Sciences Research Institute in Berkeley, CA.