If normal: Artist/Track.ext
If multiple artists: Multi/Artist1 & Artist2 - Track.ext
If attributes or series exist:
Artist/Series ### - (YYYY-MM-DD).ext
OR
Artist/Series ### - (YYYY-MM-DD) - Part # (Attribute1) (Attribute2).ext
OR
Artist/Series ### - (YYYY-MM-DD) - (Attribute1) (Attribute2).ext
OR
Artist/Track (Attribute1) (Attribute2).ext
If multiple artists for series: replace Artist with Series and add Artist between date and the rest, padded by " - "
If unknown artist: replace Artist with Genre