Agree. Maybe novel is the wrong term given my framing. "Listenable?" The combinatorial space of music is hyperastronomical, effectively infinite. And most of it is probably noise.

AI isn't "searching" in the standard indexing sense. But if say, Suno, is doing stable diffusion on fourier transform heat maps, and there's a finite space of configurations... it is using a heuristic approach to pick an option from a well-defined (gargantuan) set of options.