Lessons From The Screenplay (LFTS) is great also — in addition to Every Frame A Painting and Nerdwriter.
https://www.youtube.com/channel/UCErSSa3CaP_GJxmFpdjG9Jw
Beyond YouTube, you might start with something like "A Personal Journey with Martin Scorsese Through American Movies". https://www.imdb.com/title/tt0112120/