Philosopher Angie Hobbs is interested in Plato's idea that there is a relationship between beauty and morality. The idea that goodness is beautiful and evil things are ugly is written deep into our culture. But Plato's ideas also suggest that beautiful things could not be appreciated by evil people. Can that idea really survive the image of a Nazi Camp Kommandant listening to classical music?

This programme is part of a week of programmes looking at the history of ideas around Freedom.