use music brainz values from audio files with bottom up refresh

MediaBrowser.Controller/LiveTv/LiveTvProgram.cs

@@ -127,6 +127,31 @@ namespace MediaBrowser.Controller.LiveTv
         /// <value><c>true</c> if this instance is premiere; otherwise, <c>false</c>.</value>
         public bool IsPremiere { get; set; }
 
+        /// <summary>
+        /// Returns the folder containing the item.
+        /// If the item is a folder, it returns the folder itself
+        /// </summary>
+        /// <value>The containing folder path.</value>
+        public override string ContainingFolderPath
+        {
+            get
+            {
+                return Path;
+            }
+        }
+
+        /// <summary>
+        /// Gets a value indicating whether this instance is owned item.
+        /// </summary>
+        /// <value><c>true</c> if this instance is owned item; otherwise, <c>false</c>.</value>
+        public override bool IsOwnedItem
+        {
+            get
+            {
+                return false;
+            }
+        }
+
         public override string MediaType
         {
             get