The Disco Exorcist 【TRUSTED】

: Intentionally misaligning dialogue or using low-quality "canned" sound effects to mimic 70s low-budget dubbing.

For filmmakers or content creators, you can break down the visual and auditory "useful" elements that make this movie work as a pastiche: The Disco Exorcist

If you are writing or roleplaying, Rex (the "Disco King") serves as a archetype of the 1970s swinger. The Disco Exorcist