Watching the videos and reading the methodology, it feels like "scientist one-shot music video with LLMs" which is... useful but in no way represents how one would use the models.

If nothing else, it serves as a great reminder that you can't offload taste and creative decisions to AI. AI is also not a mind reader. It _may_ do a useful thing sometimes - but it's much better to codify that thing in your requirements if it's something you want to occur consistently.