The Daddy of Rock 'n' Roll
Wesley Willis: The Daddy of Rock 'n' Roll is a 2003 documentary film directed by Daniel Bitton about rock musician and artist Wesley Willis, who died four months after the film's release at age 40. Willis, challenged by a weight disorder as well as paranoid schizophrenia, is followed in his daily tasks, trials and tribulations in autumn 2000, showing him writing his unique yet virtually identical songs, playing a show, attending to daily chores, and working on his ink paintings at Genesis.
Source: Wikipedia — The Daddy of Rock 'n' Roll (CC BY-SA 4.0)