From Zac Hall at 9to5Mac:
Discovery Station is algorithmically based on a user’s music taste similar to Your name’s Station.
The key difference with the new station, however, is that it shouldn’t play songs from your library or playlists.
Plus, you can start the station using the Play Music action in Shortcuts – here’s my new shortcut to do just that.
View the full article on 9to5Mac and get my folder of Apple Music shortcuts in the Shortcuts Library.