As meta-meta-medieval as you can get. It could be argued that’s the case for everything on literature, culture, and the important of the imagination to human life. It could also be argued that I just wanted an excuse to post this (audio, Spanish and English).
See also: Video Nobel Lectures (literature). Nobelprize.org. And the marvellous lecture by Kary B. Mullis (Chemistry, 1993)–found this gem c/o Bad Science. I mean that in the “marvel” sense. It also caused some giggles.