Does this angle work for what you had in mind, or were you looking for something more focused on the visual style or historical context of 1970s New York?
Essay Title: The Art of Letting Go: Neurosis and Nostalgia in Annie Hall
You could write about the unconventional storytelling . Between the breaking of the fourth wall, the animated sequences, and the jumps in time, the movie mirrors the messy, fragmented way human memory actually works.
