And now I will find out whether there’s an issue tracker for Lyrion Music Server and submit some reports as there are at least two bugs or fragilities which have arisen from this discussion.
Support for Lyrion (LMS) tagging profile
By default yes, when we we match an album to MusicBrainz for any fields that MusicBrainz has data for SongKong will overwrite existing data, but you can modify this with Never modify or add these fields and Only Modify the fields If empty options.
Yes, as long as SongKong actually matches your songs to a MusicBrainz album and you have not configured some fields so they cannot be modified.