In my opinion the referenced music fragment of that video is fairly "unmemorable", it is "just" a sequence of harmonized textures. And that is precisely what AIs (LLMs) are good at.
(I listened for ≈7 min from the reference point.)
(I am talking about the music, not the live performance itself.)
(I listened for ≈7 min from the reference point.)
(I am talking about the music, not the live performance itself.)