2016-12-02, 20:28
You can certainly use the node editor to create artist-based-path-nodes (e.g. musicdb://artists/), or use artistid as a component for a path-based node (e.g. ?artistid=x) - I don't use Kodi for music, though, so can't say I've actually tested it.
What happened to Zag
What happened to Zag