Use "Artist" tag for Radio Stations, not Album Artist

[OttoKerner]

Better support for albums and tracks with multiple artists

Currently, Plex is basically limited so that every album and track has one and only one artist. A ton of songs have more than one artist, and currently, there’s no good way to represent this in Plex. You could set the artist to something like “ArtistA and ArtistB”, but then that track/album will show up as a new artist, and it won’t show up under “ArtistA” or “ArtistB”. This is inconvenient and annoying. Instead of the “artist” field just being a text box, what if it were a “tags” box, where yo…