And now it builds and runs

Aurora/Frontend/Views/Songs/SongsViewModel.cs

@@ -7,22 +7,22 @@ namespace Aurora.Frontend.Views.Songs
     public class SongsViewModel : BaseViewModel
     {
         #region Fields
-        private ObservableCollection<Song> _songsList;
-        private Song _selectedSong;
+        private ObservableCollection<BaseSong> _songsList;
+        private BaseSong _selectedSong;
 
         #endregion Fields
 
         #region Constructor
         public SongsViewModel()
         {
-            _songsList = new ObservableCollection<Song>();
+            _songsList = new ObservableCollection<BaseSong>();
             Initialize();
         }
 
         #endregion Constructor
 
         #region Properties
-        public ObservableCollection<Song> SongsList
+        public ObservableCollection<BaseSong> SongsList
         {
             get { return _songsList; }
             set
@@ -35,7 +35,7 @@ namespace Aurora.Frontend.Views.Songs
             }
         }
 
-        public Song SelectedSong
+        public BaseSong SelectedSong
         {
             get { return _selectedSong; }
             set