Don't play screen "back" sample when retrying

osu.Game/Screens/OsuScreen.cs

@@ -59,6 +59,8 @@ namespace osu.Game.Screens
 
         private SampleChannel sampleExit;
 
+        protected virtual bool PlayResumeSound => true;
+
         public virtual float BackgroundParallaxAmount => 1;
 
         public Bindable<WorkingBeatmap> Beatmap { get; private set; }
@@ -117,7 +119,8 @@ namespace osu.Game.Screens
 
         public override void OnResuming(IScreen last)
         {
-            sampleExit?.Play();
+            if (PlayResumeSound)
+                sampleExit?.Play();
             applyArrivingDefaults(true);
 
             base.OnResuming(last);

osu.Game/Screens/Play/PlayerLoader.cs

@@ -44,6 +44,8 @@ namespace osu.Game.Screens.Play
 
         public override bool DisallowExternalBeatmapRulesetChanges => true;
 
+        protected override bool PlayResumeSound => false;
+
         private Task loadTask;
 
         private InputManager inputManager;