T Bone Burnett and the music of "Inside Llewyn Davis"

... would sit there quietly but then go out of the office and, 'Really?' That same roots music influenced the Greenwich Village scene in the '60s. Artists, like the fictional Llewyn, were trying to return to something authentically American -- even if ...

http://www.cbsnews.com/news/t-bone-burnett-and-the-music-of-inside-llewyn-davis/