Suggestions for contrib node (music)

General
1

I've been slowly working on a node that accepts "music URL's" as input and retrieves additional information about the track, album, and artist.

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What additional information might you like to see included, or do you have any suggestions to improve upon the idea?

2

Genre ? Album ? Date (of release)?

3

Names of Group members & any visiting artists, plus instruments played and singing position (lead, backing etc.)