Although I admit I did not listen to the recording, what you're saying reminded me of this article on the key relationship of repetition to music: https://aeon

Although I admit I did not listen to the recording, what you're saying reminded me of this article on the key relationship of repetition to music: https://aeon.co/essays/why-repetition-can-turn-almost-anything-into-music https://aeon.co/essays/why-repetition-can-turn-almost-anythi... In particular, the passage beginning: "Can music exist without repetition? Well, music is not a natural object and composers are free to flout any tendency that it seems to exhibit. Indeed, over the past century, a number of composers expressly began to avoid repetitiveness in their work...." The authors of the piece found that both amateur and highly knowledgeable listeners thought that modified versions of some pieces, in which repetition had been injected, were more persuasively musical. And the larger point is the very deep relationship between repetition and music.