Added ILastFmObject interface to simplify some object management scenarios. YEAH

Also added ArtistMbid property to Track.cs

IF.Lastfm.Core/IF.Lastfm.Core.csproj

@@ -70,6 +70,7 @@
     <Compile Include="Objects\Artist.cs" />
     <Compile Include="Objects\BuyLink.cs" />
     <Compile Include="Objects\CountryCode.cs" />
+    <Compile Include="Objects\ILastFmObject.cs" />
     <Compile Include="Objects\LastImageCollection.cs" />
     <Compile Include="Objects\Shout.cs" />
     <Compile Include="Objects\Station.cs" />

IF.Lastfm.Core/Objects/Album.cs

@@ -6,7 +6,7 @@
 
 namespace IF.Lastfm.Core.Objects
 {
-    public class Album
+    public class Album : ILastFmObject
     {
         #region Properties
 

IF.Lastfm.Core/Objects/Artist.cs

@@ -10,7 +10,7 @@ namespace IF.Lastfm.Core.Objects
     /// <summary>
     /// Todo bio, tour, similar, stats, streamable
     /// </summary>
-    public class Artist
+    public class Artist : ILastFmObject
     {
         #region Properties
 

IF.Lastfm.Core/Objects/ILastFmObject.cs

@@ -0,0 +1,7 @@
+namespace IF.Lastfm.Core.Objects
+{
+    public interface ILastFmObject
+    {
+        
+    }
+}

IF.Lastfm.Core/Objects/Station.cs

@@ -3,8 +3,7 @@
 
 namespace IF.Lastfm.Core.Objects
 {
-
+    public class Station : ILastFmObject
-    public class Station
     {
         public string Name { get; set; }
         public Uri Url { get; set; }

IF.Lastfm.Core/Objects/Track.cs

@@ -9,7 +9,7 @@ namespace IF.Lastfm.Core.Objects
     /// <summary>
     /// TODO Wiki, Stream availability
     /// </summary>
-    public class Track
+    public class Track : ILastFmObject
     {
         #region Properties
 
@@ -17,6 +17,7 @@ public class Track
         public TimeSpan Duration { get; set; }
         public string Mbid { get; set; }
         public string ArtistName { get; set; }
+        public string ArtistMbid { get; set; }
         public Uri Url { get; set; }
         public LastImageCollection Images { get; set; }
         
@@ -48,6 +49,7 @@ internal static Track ParseJToken(JToken token)
             if (artistToken != null)
             {
                 t.ArtistName = Artist.GetNameFromJToken(artistToken);
+                t.ArtistMbid = artistToken.Value<string>("mbid");
             }
 
             var albumToken = token.SelectToken("album");