Question: I'm looking for a platform that can automatically categorize and tag music files based on their attributes, such as genre and mood.

If you're looking for a service to automatically categorize and tag music files based on their attributes, Cyanite is worth a look. It uses AI to tag files with detailed metadata like genre, mood, instruments and tempo. It also offers auto-description to generate narrative descriptions of songs and a similarity search to find related tracks.

Another option is SONOTELLER, which offers detailed song analysis and autotagging abilities. It can analyze song attributes like genres, moods and BPM, so it could be useful for music labels and publishers trying to catalog their music. Its API is geared for integration with catalog management systems, which should speed up operations and improve accuracy.

For something more interactive, MoodPlaylist lets you create playlists based on your mood, era or genre preferences. With more than 20 mood options covering different eras and multiple music genres, it's a good option for an ad-free music streaming service. You can export playlists to Spotify or import from other services, too, so it's pretty flexible.

Last, Natural Language Playlist lets you generate playlists with text input. It's good at understanding musical and cultural attributes, so it's good for people who like to discover music based on elaborate descriptions. That can be good for finding new music that matches your subtle preferences and descriptions.