“A Complete Unknown” follows a young Bob Dylan’s rise to fame. Timothée Chalamet, who depicts the rock-folk artist in James Mangold’s film, insisted on singing live and learning to play guitar to authentically portray the music legend.

Following the success of his Academy Award-winning Johnny Cash biopic “Walk the Line,” the director was confident that the cast and crew of his new film could support live vocals. All of Bob Dylan’s vocals were performed live by Chalamet, as well as Edward Norton’s for Pete Seeger, Monica Barbaro’s for Joan Baez and Boyd Holbrook’s for Johnny Cash.

The 140-minute film is filled to the brim with music, highlighting the careers of Dylan as well as his influences Seeger, Barbaro, Cash, Woody Guthrie and more. With over 70 songs on the soundtrack, the film tracks Dylan’s sprint onto the folk music scene and culminates in his then-radical shift to “go electric.