1 files changed, 24 insertions, 3 deletions
diff --git a/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs b/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs
index a269b3486..056f31f78 100644
--- a/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs
+++ b/MediaBrowser.Controller/Entities/Audio/IHasAlbumArtist.cs
@@ -1,14 +1,35 @@
+using System.Collections.Generic;
+
 namespace MediaBrowser.Controller.Entities.Audio
 {
     public interface IHasAlbumArtist
     {
-        string[] AlbumArtists { get; set; }
+        IReadOnlyList<string> AlbumArtists { get; set; }
     }
 
     public interface IHasArtist
     {
-        string[] AllArtists { get; }
+        /// <summary>
+        /// Gets or sets the artists.
+        /// </summary>
+        /// <value>The artists.</value>
+        IReadOnlyList<string> Artists { get; set; }
+    }
+
+    public static class Extentions
+    {
+        public static IEnumerable<string> GetAllArtists<T>(this T item)
+            where T : IHasArtist, IHasAlbumArtist
+        {
+            foreach (var i in item.AlbumArtists)
+            {
+                yield return i;
+            }
 
-        string[] Artists { get; set; }
+            foreach (var i in item.Artists)
+            {
+                yield return i;
+            }
+        }
     }
 }