I didn’t know about it, and looks really interesting (I’ll start to use it). But looks like it is more a player with social network features, while my focus is to share and import your playlists across different services. i.e., you have a great Playlist but use it in Spotify. Then, you share it in this system I want to create and I can import this Playlist in Tidal. But, definitely, Funkwhale is a great source to get some “getting started” of code, so thanks for sharing it :D
Around 10 years ago I was trying to write something like it for a company. It is a lot of time, so probably now there is a lot of AI involved, but 10 years ago the path was to build a heatmap of the binary and try to find matches