There is a podcast in the enormous audio archives of the BBC, titled:
The Brothers Grimm
Thu, 5 Feb 09, Duration: 43 mins
Melvyn Bragg and guests discuss the fairy tales collected by the Brothers Grimm. With Juliette Wood, Marina Warner and Tony Phelan.
sounds good! (see http://www.bbc.co.uk/podcasts/series/iotc/all and search by date…)