How many roads must a man walk down to play Bob Dylan?
Quite a few, at least, if you're Timothée Chalamet. Off and on for some six years, Chalamet has been obsessively working toward his performance in “A Complete Unknown.” He has visited Dylan's childhood home, learned how to play the guitar (and the harmonica) and immersed himself in the early ‘60s New York that Dylan emerged out of — even if much of it has faded with history by now.
