Hey. I had the same idea as you a while back. Did some samples as well. Used a pretty similar approach till the "Generating Other Scales" section. But was not happy with the output. However, I found them as a good seed to generate music using AI systems from that time. The current systems should provide better results.

Here are some examples: https://opensea.io/assets/matic/0x2953399124f0cbb46d2cbacd8a...

https://opensea.io/assets/matic/0x2953399124f0cbb46d2cbacd8a...

https://opensea.io/assets/ethereum/0x495f947276749ce646f68ac...