Music discovery is a perennial AI tech application. The first one I followed was Firefly, out of MIT Media Lab around 1995. I think the startup was originally called 'Agents', which was a hot term in AI at the time. Thirty years ago.

https://en.wikipedia.org/wiki/Firefly_(website)

love this, in a similar vein real heads will remember The Echo Nest https://en.wikipedia.org/wiki/The_Echo_Nest