He's not long completed his turn as Dean Moriarty in Walter Salles' On The Road, but it seems Garrett Hedlund can't get enough of that crazy beat culture. He's now in talks to join the Coen Brothers' enigmatic Inside Llewyn Davis . The specific role under discussion is unclear, as is much about this project. But given that the film is something to do with the Greenwich Village folk scene of the 1960s, we might surmise that Hedlund's musical chops, proven in Country Strong , make him a good fit. And he's got a reasonable-sized gap in his schedule now, what with Akira's tactical retreat. Inside Llewyn Davis is apparently in some way loosely based around "mayor of McDougal Street" Dave Van Ronk, who was a coffee-shop mentor to musicians like Bob Dylan, Joan Baez and Joni Mitchell. Joel Coen has said there will be plenty of music in the film, "pretty much all performed live, on a single instrument." If Hedlund signs up, he'l