diff --git a/Filtration/UserControls/BlockItemControl.xaml b/Filtration/UserControls/BlockItemControl.xaml
index 1a0d699..e9c0ebf 100644
--- a/Filtration/UserControls/BlockItemControl.xaml
+++ b/Filtration/UserControls/BlockItemControl.xaml
@@ -222,7 +222,7 @@
                             <Button Grid.Column="0" Grid.Row="0" Command="{Binding Path=DataContext.PlayCustomSoundCommand, RelativeSource={RelativeSource AncestorType={x:Type views:ItemFilterBlockView}}}" Width="20" Height="20" Background="Transparent" BorderBrush="Transparent">
                                 <Image Source="/Filtration;component/Resources/Icons/speaker_icon.png"  VerticalAlignment="Center" HorizontalAlignment="Center" />
                             </Button>
-                            <ComboBox Grid.Column="1" Grid.Row="0" ItemsSource="{Binding Path=DataContext.CustomSoundsAvailable, UpdateSourceTrigger=PropertyChanged, RelativeSource={RelativeSource AncestorType={x:Type views:ItemFilterBlockView}}}" 
+                            <ComboBox Grid.Column="1" Grid.Row="0" ItemsSource="{Binding Path=DataContext.CustomSoundsAvailable, UpdateSourceTrigger=PropertyChanged, RelativeSource={RelativeSource AncestorType={x:Type views:ItemFilterScriptView}}}" 
                                       SelectedValue="{Binding Value, UpdateSourceTrigger=PropertyChanged}" Style="{StaticResource MetroComboBox}"/>
                             <Button Grid.Column="1" Grid.Row="0" Command="{Binding Path=DataContext.CustomSoundFileDialogCommand, RelativeSource={RelativeSource AncestorType={x:Type views:ItemFilterBlockView}}}"
                                     Width="20" Height="20" Background="Transparent" BorderBrush="Transparent" Margin="0,0,30,0" VerticalAlignment="Center" HorizontalAlignment="Right">
diff --git a/Filtration/ViewModels/ItemFilterBlockViewModel.cs b/Filtration/ViewModels/ItemFilterBlockViewModel.cs
index ac2411a..edcf88d 100644
--- a/Filtration/ViewModels/ItemFilterBlockViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterBlockViewModel.cs
@@ -31,7 +31,6 @@ namespace Filtration.ViewModels
         private readonly IStaticDataService _staticDataService;
         private readonly IReplaceColorsViewModel _replaceColorsViewModel;
         private readonly MediaPlayer _mediaPlayer = new MediaPlayer();
-        public static ObservableCollection<string> _customSoundsAvailable;
 
         private bool _displaySettingsPopupOpen;
         private bool _isExpanded;
@@ -53,14 +52,6 @@ namespace Filtration.ViewModels
             PlayPositionalSoundCommand = new RelayCommand(OnPlayPositionalSoundCommand, () => HasPositionalSound);
             PlayCustomSoundCommand = new RelayCommand(OnPlayCustomSoundCommand, () => HasCustomSound);
             CustomSoundFileDialogCommand = new RelayCommand(OnCustomSoundFileDialog);
-
-            if(_customSoundsAvailable == null || _customSoundsAvailable.Count < 1)
-            {
-                _customSoundsAvailable = new ObservableCollection<string> {
-                    "1maybevaluable.mp3", "2currency.mp3", "3uniques.mp3", "4maps.mp3", "5highmaps.mp3",
-                    "6veryvaluable.mp3", "7chancing.mp3", "12leveling.mp3", "placeholder.mp3"
-                };
-            }
         }
 
         public override void Initialise(IItemFilterBlockBase itemFilterBlockBase, IItemFilterScriptViewModel parentScriptViewModel)
@@ -80,15 +71,6 @@ namespace Filtration.ViewModels
             foreach (var blockItem in itemFilterBlock.BlockItems)
             {
                 blockItem.PropertyChanged += OnBlockItemChanged;
-
-                var customSoundBlockItem = blockItem as CustomSoundBlockItem;
-                if (customSoundBlockItem != null)
-                {
-                    if (!string.IsNullOrWhiteSpace(customSoundBlockItem.Value) && _customSoundsAvailable.IndexOf(customSoundBlockItem.Value) < 0)
-                    {
-                        _customSoundsAvailable.Add(customSoundBlockItem.Value);
-                    }
-                }
             }
             base.Initialise(itemFilterBlock, parentScriptViewModel);
         }
@@ -237,8 +219,6 @@ namespace Filtration.ViewModels
 
         public ObservableCollection<ColorItem> AvailableColors => PathOfExileColors.DefaultColors;
 
-        public ObservableCollection<string> CustomSoundsAvailable => _customSoundsAvailable;
-
         public Color DisplayTextColor => Block.DisplayTextColor;
         public Color DisplayBackgroundColor => Block.DisplayBackgroundColor;
         public Color DisplayBorderColor => Block.DisplayBorderColor;
@@ -461,11 +441,10 @@ namespace Filtration.ViewModels
             var customSoundBlockItem = sender as CustomSoundBlockItem;
             if (customSoundBlockItem != null)
             {
-                if (!string.IsNullOrWhiteSpace(customSoundBlockItem.Value) && _customSoundsAvailable.IndexOf(customSoundBlockItem.Value) < 0)
+                if (!string.IsNullOrWhiteSpace(customSoundBlockItem.Value) && _parentScriptViewModel.CustomSoundsAvailable.IndexOf(customSoundBlockItem.Value) < 0)
                 {
-                    _customSoundsAvailable.Add(customSoundBlockItem.Value);
+                    _parentScriptViewModel.CustomSoundsAvailable.Add(customSoundBlockItem.Value);
                 }
-                RaisePropertyChanged(nameof(CustomSoundsAvailable));
             }
             Block.IsEdited = true;
             //if (sender is IAudioVisualBlockItem)
@@ -515,10 +494,9 @@ namespace Filtration.ViewModels
 
                 var customSoundBlockItem = BlockItems.First(b => b.GetType() == typeof(CustomSoundBlockItem)) as CustomSoundBlockItem;
 
-                if (CustomSoundsAvailable.IndexOf(fileName) < 0)
+                if (_parentScriptViewModel.CustomSoundsAvailable.IndexOf(fileName) < 0)
                 {
-                    CustomSoundsAvailable.Add(fileName);
-                    RaisePropertyChanged(nameof(CustomSoundsAvailable));
+                    _parentScriptViewModel.CustomSoundsAvailable.Add(fileName);
                 }
                 customSoundBlockItem.Value = fileName;
             }
diff --git a/Filtration/ViewModels/ItemFilterScriptViewModel.cs b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
index 01564a4..e915c76 100644
--- a/Filtration/ViewModels/ItemFilterScriptViewModel.cs
+++ b/Filtration/ViewModels/ItemFilterScriptViewModel.cs
@@ -17,6 +17,7 @@ using Filtration.Common.ViewModels;
 using Filtration.Interface;
 using Filtration.ObjectModel;
 using Filtration.ObjectModel.BlockItemBaseTypes;
+using Filtration.ObjectModel.BlockItemTypes;
 using Filtration.ObjectModel.Commands;
 using Filtration.ObjectModel.Commands.ItemFilterScript;
 using Filtration.Parser.Interface.Services;
@@ -34,6 +35,7 @@ namespace Filtration.ViewModels
         IItemFilterBlockViewModelBase SelectedBlockViewModel { get; set; }
         IItemFilterCommentBlockViewModel CommentBlockBrowserBrowserSelectedBlockViewModel { get; set; }
         IEnumerable<IItemFilterCommentBlockViewModel> ItemFilterCommentBlockViewModels { get; }
+        ObservableCollection<string> CustomSoundsAvailable { get; }
         Predicate<IItemFilterBlockViewModel> BlockFilterPredicate { get; set; }
         
         bool ShowAdvanced { get; }
@@ -106,6 +108,8 @@ namespace Filtration.ViewModels
         private Predicate<IItemFilterBlockViewModel> _blockFilterPredicate;
         private ICommandManager _scriptCommandManager;
 
+        private ObservableCollection<string> _customSoundsAvailable;
+
         public ItemFilterScriptViewModel(IItemFilterBlockBaseViewModelFactory itemFilterBlockBaseViewModelFactory,
                                          IItemFilterBlockTranslator blockTranslator,
                                          IAvalonDockWorkspaceViewModel avalonDockWorkspaceViewModel,
@@ -161,6 +165,11 @@ namespace Filtration.ViewModels
             IconSource = icon;
 
             _viewItemFilterBlockViewModels = new ObservableCollection<IItemFilterBlockViewModelBase>();
+
+            _customSoundsAvailable = new ObservableCollection<string> {
+                "1maybevaluable.mp3", "2currency.mp3", "3uniques.mp3", "4maps.mp3", "5highmaps.mp3",
+                "6veryvaluable.mp3", "7chancing.mp3", "12leveling.mp3", "placeholder.mp3"
+            };
         }
 
         public void Initialise(IItemFilterScript itemFilterScript, bool newScript)
@@ -170,8 +179,20 @@ namespace Filtration.ViewModels
             Script = itemFilterScript;
             _scriptCommandManager = Script.CommandManager;
             AddItemFilterBlockViewModels(Script.ItemFilterBlocks, -1);
+
+            foreach(var block in Script.ItemFilterBlocks.OfType<IItemFilterBlock>())
+            {
+                foreach (var customSoundBlockItem in block.BlockItems.OfType<CustomSoundBlockItem>())
+                {
+                    if (!string.IsNullOrWhiteSpace(customSoundBlockItem.Value) && CustomSoundsAvailable.IndexOf(customSoundBlockItem.Value) < 0)
+                    {
+                        CustomSoundsAvailable.Add(customSoundBlockItem.Value);
+                    }
+                }
+            }
             
             Script.ItemFilterBlocks.CollectionChanged += ItemFilterBlocksOnCollectionChanged;
+            _customSoundsAvailable.CollectionChanged += CustomSoundsAvailableOnCollectionChanged;
 
             _filenameIsFake = newScript;
 
@@ -211,6 +232,11 @@ namespace Filtration.ViewModels
             UpdateBlockModelsForView();
         }
 
+        private void CustomSoundsAvailableOnCollectionChanged(object sender, NotifyCollectionChangedEventArgs notifyCollectionChangedEventArgs)
+        {
+            RaisePropertyChanged(nameof(CustomSoundsAvailable));
+        }
+
         private void AddItemFilterBlockViewModels(IEnumerable<IItemFilterBlockBase> itemFilterBlocks, int addAtIndex)
         {
             var firstNewViewModel = true;
@@ -235,6 +261,18 @@ namespace Filtration.ViewModels
                     SelectedBlockViewModel = vm;
                     firstNewViewModel = false;
                 }
+
+                var itemBlock = itemFilterBlock as IItemFilterBlock;
+                if (itemBlock != null)
+                {
+                    foreach (var customSoundBlockItem in itemBlock.BlockItems.OfType<CustomSoundBlockItem>())
+                    {
+                        if (!string.IsNullOrWhiteSpace(customSoundBlockItem.Value) && CustomSoundsAvailable.IndexOf(customSoundBlockItem.Value) < 0)
+                        {
+                            CustomSoundsAvailable.Add(customSoundBlockItem.Value);
+                        }
+                    }
+                }
             }
         }
 
@@ -293,6 +331,16 @@ namespace Filtration.ViewModels
             }
         }
 
+        public ObservableCollection<string> CustomSoundsAvailable
+        {
+            get => _customSoundsAvailable;
+            set
+            {
+                _customSoundsAvailable = value;
+                RaisePropertyChanged();
+            }
+        }
+
         public ObservableCollection<IItemFilterBlockViewModelBase> ViewItemFilterBlockViewModels
         {
             get