The key SongKongRockPop properties are on the Server tab
aliasTag
Artists:-Artist, Artists_Sort:-ArtistSort
Use multiple values for track artists, and provide multi value sort field
indexTags
Album_Artists:Album Artists, All Artists, Date, -OriginalDate:Original Date, Genre, *RecentAdded, *RecentPlayed, #AudioData, #AudioFormat
Add multi value Album Artist index, Add Original Date index
itemTags
Album_Artists_Sort, ArtistSort
Artist Sort fields
tagOptions
Date.yearOnly.index.sort, OriginalDate.yearOnly.index.sort
Display Date and Original Date as year only fields
tagValue
Album_Artists.value.sort={Album_Artists_Sort}, Artist.value.sort={ArtistSort}, Album_Artists.default={AlbumArtist, Artist}
Sorting for AlbumArtist and Artist, use multi value album artist unless missing then use single album artist value.