MIT OpenCourseWare: "What do one mathematician, one artist, and one musician all have in common? Are you interested in Zen Buddhism, math, fractals, logic, paradoxes, infinities, art, language, computer science, physics, music, intelligence, consciousness and unified theories? Get ready to chase me down a rabbit hole into Douglas Hofstadter's Pulitzer Prize winning book Gödel, Escher, Bach."

6 video lectures and lecture notes can be found at the Course Homepage. The videos are also availalbe from archive.org and youtube.