Hopefully it'll be worth the hassle, but please try to make it easier to install somehow?
Licensing within the music industry is the #1 enemy of getting good music cue suggestions across all music artists though, as many streaming providers can't just access any song they want to, because the agreements to play on each service are so limited and segmented.
Pandora’s concept of a music genome is quite fascinating too. For whatever reason the repeat rate gets too high though, even if you seed it with multiple songs.
The current app was optimized for development time, just so I could get a prototype working at least for my own use as quickly as possible.