Hm, it works well for this particular song/the genre of generative music but it easily hits limits with many other types of music people might want to work with

Hm, it works well for this particular song/the genre of generative music but it easily hits limits with many other types of music people might want to work with. More advanced ML/AI techniques are needed to reason about sound in a semantic/latent space, which a stock Markov model will not do.