Warning: This article contains some spoilers for A Complete Unknown.A Complete Unknown primarily focuses on the early stages of Bob Dylan’s career, leading up to his decision to use electric instruments in 1965. However, the acclaimed movie also depicts Dylan’s interactions with other real musicians of the 1960s. The James Mangold film follows the musician’s entrance into the world of folk music and how he developed his style, but it also pays special attention to his romances with Sylvie Russo (Elle Fanning) and Joan Baez (Monica Barbaro), as well as with his professional relationships with Pete Seeger (Edward Norton) and Johnny Cash (Boyd Holbrook).

https://screenrant.com/a-complete-unknown-johnny-cash-what-happened/