How do you profile someone who wants to remain a mystery? Oscar-winning documentarian Morgan Neville has made a number of different types of nonfiction movies, from anatomies of art and music scenes to political history lessons. But the 20 Feet From Stardom filmmaker is probably best known for his portraits of artists who can sometimes be difficult, enigmatic, reluctant to open up, and often hard to pin down. Neville has done feature-length profiles on Keith Richards (2015’s Keith Richards: Under the Influence ), Fred Rogers (2018’s Won’t You Be My Neighbor? ), Rick Rubin (2019’s Shangri-La ), Anthony Bourdain (2021’s Roadrunner ), Pharrell Williams (the 2024 Lego-mentary Piece by Piece ), and Steve Martin ( Steve!, also 2024). And already this year, Neville has released not one but two docs on two major cultural figures.…