[laserson]

Hadn't heard of Primephonic, but I have been using Concertmaster.app as a classical music-focused "skin" for Spotify and it's pretty good (and free!).

[fpina]

For Apple Music there is https://concertino.app/.

[wjnc]

Thanks! This looks great and seems to be a solution to the metadata problem as described above. I’ll enjoy structuring my listening a bit with this.

[ggsp]

This looks promising, but seems to be broken in Firefox?

[A_Duck]

This is fantastic! Thanks for the tip