/// <summary>
/// Finds the best match for a song.
/// </summary>
/// <param name="songs"></param>
/// <param name="artists"></param>
/// <returns></returns>
private Song FindMatch(Song[] songs, IEnumerable<Artist> artists) {
if (songs.Length == 0)
return null;
if (songs.Length == 1)
return songs.First();
var match = songs.FirstOrDefault(s => s.Artists.Any(a => a.Artist != null && a.Artist.ArtistType != ArtistType.Vocaloid && artists.Any(a2 => a.Artist.Equals(a2))));
return match ?? songs.First();
}