What is your personal Appendix N?

Then you will enjoy this! https://youtu.be/PhSCxA78x1k

So good!

The fact that the percussionist plays the cymbal with a claw hammer is pretty great!

Hoo boy so many things have shaped how I run games and write stories now.

Star Wars IV, V, VI
Star Trek TOS
Blade Runner
Ghost in the Shell 1995
Akira
Conan the Barbarian
Krull
Excalibur
Highlander
The Redwall Series
His Dark Materials
Neuromancer
Snow Crash
Indiana Jones
The Twilight Zone
Neon Genesis Evangelion
A Wrinkle in Time
Terry Prachett, just all of it
2001: A Space Odyssey
Donnie Darko
The Hobbit
The Lord of the Rings
The Day the Earth Stood Still
The Chronicles of Amber by Roger Zelazny
A Wizard of Earthsea by Ursela K. Le Guin
Beowulf
The Tales of King Arthur
The Green Knight
The Chronicles of Prydain by Lloyd Alexander
Lord of Light Roger Zelazny (pretty much everything by Roger Zelazny)
Star Trek TOS films
The Enchanted Forest Chronicles by Patricia Wrede
Watership Down
The Martian Chronicles by Ray Bradbury (and just his stuff in general)
Legend by David Gemmel
The Hitchiker's Guide to the Galaxy series by Douglas Adams
The Kingkiller Chronicle by Patrick Rothfuss
Aliens
The Thing
The Matrix
Princess Mononoke

This is an incomplete list but I think those are the biggest influences that come to mind.