According to Empire magazine via Variety Joel and Ethan Coen’s next movie will indeed be a musical biopic of sorts. To be titled, Inside Llewyn Davis it seems that the previously reported Dave Van Ronk movie might well have morphed into something quite different. StudioCanal are on board to part-finance the flick and Variety had this [very] brief synopsis;
“Llewyn” centers around Llewyn Davis’ struggles as a folk musician during the genre’s 1960s heyday in New York City”
More as and when it materialises.