diff --git a/osu.Game.Rulesets.Osu/Objects/Slider.cs b/osu.Game.Rulesets.Osu/Objects/Slider.cs
index 332163454a..e2b6c84896 100644
--- a/osu.Game.Rulesets.Osu/Objects/Slider.cs
+++ b/osu.Game.Rulesets.Osu/Objects/Slider.cs
@@ -146,7 +146,8 @@ namespace osu.Game.Rulesets.Osu.Objects
 
             // The samples should be attached to the slider tail, however this can only be done after LegacyLastTick is removed otherwise they would play earlier than they're intended to.
             // For now, the samples are attached to and played by the slider itself at the correct end time.
-            Samples = this.GetNodeSamples(repeatCount + 1);
+            // ToArray call is required as GetNodeSamples may fallback to Samples itself (without it it will get cleared due to the list reference being live).
+            Samples = this.GetNodeSamples(repeatCount + 1).ToArray();
         }
 
         protected override void CreateNestedHitObjects(CancellationToken cancellationToken)
diff --git a/osu.Game/Rulesets/Edit/PlacementBlueprint.cs b/osu.Game/Rulesets/Edit/PlacementBlueprint.cs
index c0eb891f5e..bfff93e7c5 100644
--- a/osu.Game/Rulesets/Edit/PlacementBlueprint.cs
+++ b/osu.Game/Rulesets/Edit/PlacementBlueprint.cs
@@ -7,6 +7,7 @@ using osu.Framework.Bindables;
 using osu.Framework.Graphics;
 using osu.Framework.Graphics.Containers;
 using osu.Framework.Input.Events;
+using osu.Game.Audio;
 using osu.Game.Beatmaps;
 using osu.Game.Beatmaps.ControlPoints;
 using osu.Game.Rulesets.Objects;
@@ -45,6 +46,9 @@ namespace osu.Game.Rulesets.Edit
         {
             HitObject = hitObject;
 
+            // adding the default hit sample should be the case regardless of the ruleset.
+            HitObject.Samples.Add(new HitSampleInfo(HitSampleInfo.HIT_NORMAL));
+
             RelativeSizeAxes = Axes.Both;
 
             // This is required to allow the blueprint's position to be updated via OnMouseMove/Handle
diff --git a/osu.Game/Screens/Edit/Compose/Components/ComposeBlueprintContainer.cs b/osu.Game/Screens/Edit/Compose/Components/ComposeBlueprintContainer.cs
index c09b935f28..79f457c050 100644
--- a/osu.Game/Screens/Edit/Compose/Components/ComposeBlueprintContainer.cs
+++ b/osu.Game/Screens/Edit/Compose/Components/ComposeBlueprintContainer.cs
@@ -211,9 +211,6 @@ namespace osu.Game.Screens.Edit.Compose.Components
 
             if (blueprint != null)
             {
-                // doing this post-creations as adding the default hit sample should be the case regardless of the ruleset.
-                blueprint.HitObject.Samples.Add(new HitSampleInfo(HitSampleInfo.HIT_NORMAL));
-
                 placementBlueprintContainer.Child = currentPlacement = blueprint;
 
                 // Fixes a 1-frame position discrepancy due to the first mouse move event happening in the next frame