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by belly_joe 1093 days ago
In my experience, Spotify generally picks 20-40 top songs from each genre and recommends them to any listener that has showed interest in that genre.

To a listener new to the genre, this yields a pretty good hit rate and the perception that Spotify is great at recommendation, but after spending any reasonable amount of time listening to the genre, the same 20-40 recommendations get stale and Spotify is completely unable to surface relevant songs from deeper in the genre catalog.