Somewhat related, what I could be the closest equivalent -in the realm of sound- of a mise en abyme: https://en.wikipedia.org/wiki/Shepard_tone https://en.wiki

Somewhat related, what I could be the closest equivalent -in the realm of sound- of a mise en abyme: https://en.wikipedia.org/wiki/Shepard_tone https://en.wikipedia.org/wiki/Shepard_tone Both fascinating constructions.