ordered existing sounds by unique id

Controls/MusicOrderViewer.cs

@@ -26,6 +26,18 @@ namespace TaikoSoundEditor.Controls
             CurrentPage = CurrentPage;                                            
         }
 
+        public void RemoveSong(MusicOrder mo)
+        {
+            SongCards.RemoveAll(c => c.MusicOrder == mo);
+            Selection.RemoveWhere(c => c.MusicOrder == mo);
+            CutSelection.RemoveWhere(c => c.MusicOrder == mo);
+
+            PasteActive = CutSelection.Count > 0;
+            CutActive = Selection.Count > 0;
+            if (!PasteActive) PasteMode = false;
+            Invalidate();
+        }
+
         private int _CurrentPage = 0;       
         public int CurrentPage
         {

MainForm.RequestFiles.cs

@@ -103,7 +103,7 @@ namespace TaikoSoundEditor
             Logger.Info($"Setting LoadedMusicBox DataSource");
 
             LoadedMusicBinding = new BindingSource();
-            var cleanList = MusicInfos.Items.Where(mi => mi.UniqueId != 0).ToList();
+            var cleanList = MusicInfos.Items.Where(mi => mi.UniqueId != 0).OrderBy(_ => _.UniqueId).ToList();
 
             LoadedMusicBinding.DataSource = cleanList;
             LoadedMusicBox.DataSource = LoadedMusicBinding;
@@ -111,7 +111,7 @@ namespace TaikoSoundEditor
 
 
             MusicOrderViewer.WordList = WordList;
-            foreach (var musicOrder in MusicOrders.Items)
+            foreach (var musicOrder in MusicOrders.Items.Where(_ => MusicInfos.Items.Any(mi => mi.UniqueId == _.UniqueId)))
             {
                 MusicOrderViewer.AddSong(musicOrder);
             }

MainForm.cs

@@ -169,6 +169,9 @@ namespace TaikoSoundEditor
 
                 LoadedMusicBox.SelectedItem = null;
                 LoadedMusicBox.SelectedIndex = sel;
+
+                Logger.Info("Removing from music orders");
+                MusicOrderViewer.RemoveSong(mo);
                 return;
             }
         });
@@ -177,6 +180,7 @@ namespace TaikoSoundEditor
         {
             if(SoundViewTab.SelectedTab==MusicOrderTab)
             {
+                MusicOrderViewer.Invalidate();
                 return;
             }