[sublinear]

I didn't watch the video yet, just skimmed, but those screens look similar to what a karaoke machine of the era would have displayed. I wouldn't be surprised if that was the idea or if some of that art is directly lifted from those releases.

[doloputer]

I got teletext (system for transmitting data/subtitles alongside a TV signal) vibes from it. I wonder how it's encoded, since it seems to come out with the digital audio stream regardless of what's playing it.