You're right about the record having some of that classic flair. Typically, older music got their flair from the limitations or peculiarities of whatever technology they were using. You can't get that with newer tech, so it has to be some sort of AI.
For example, filmmakers will spend a lot of money renting or buying a specific camera just to get a certain color gradient, frame rates and vibe. His has that in the music, which means software. In terms of the video he used software too because it doesn't look natural.