I'm glad I looked into this. I really thought it was going to be a funny discussion about what was left out of Ken Burns' Jazz film, but it's been quite interesting. I've never liked Dylan's music all that much, but I have to admit I've never looked at it closely either.I was unaware that he recorded House of the rising Sun and certainly didn't know about his adapting British Ballads and gospel songs. If he did, then he has a subtlety that I've missed.
I'll try and listen to the program and I hope that House of the Rising Sun is one of the songs used. If as Rick says, he's been going for 40 years (I first heard him about 15 yeras ago) then I guess he's reinvented himself quite a few times.