If you are on a budget, I'm sad to report that Beethoven: The Sonata Legacy is superb.
David Bowie: Who Can I Be Now? (1974/1976)
Erroll Garner: Ready Take One
Ways of Seeing Kate Bush
Play Out the Play: Orson Welles’ Chimes at Midnight
Hieroglyphic Being: The Disco's of Imhotep
On Friedrich Nietzsche's Early Intellectual, Emotional, and Spiritual Development
The Frightnrs: Nothing More to Say
"Rainer Werner Fassbinder is the whole show.