If artist has submitted an NFT before, they're allowed to score songs:

0 Needs lots of work
5 Unmastered track
20 Finished track
40 Good track
60 Catchy track that could probably get signed.
80 This track will undoubtedly get signed.

Scoring will incorporate listens and downloads.
1 play = .001
1 download = .002
1 rent = .004
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Search for a specific song/artistSong older than 2 weeks begin losing rank

See below for Genres