public ArtistSelectionForTrackContract(Artist artist, bool selected, ContentLanguagePreference languagePreference)
{
Artist = new ArtistWithAdditionalNamesContract(artist, languagePreference);
Selected = selected;
}
public ArtistForSongContract(ArtistWithAdditionalNamesContract artistContract)
{
ParamIs.NotNull(() => artistContract);
Artist = artistContract;
}