Hearing the start of Für Elise, and then it being taken in an incredibly different direction, is surprisingly disconcerting.
I found it refreshing and interesting, not really disconcerting. Show's how AI can extrapolate in novel ways. An interesting feature.
There's an incredibly funny bit (if you're into absurdist comedy) by Hans Teeuwen about the disconcerting direction a well known song can take:
https://www.youtube.com/watch?v=FCDPxNyLAww