They deprecated their audio features endpoint which provided metrics like "danceability". Their ToS also forbids building recommendation engines with that data.

They deprecated their audio features endpoint which provided metrics like "danceability". Their ToS also forbids building recommendation engines with that data. So I imagine they're a little protective of at least that section of the metadata dump. But yeah I agree that the audio file itself probably isn't super important to keep secret. After all, it's not that hard to find cd rips or at worst, a youtube version to download.