upd

Code/Sounds/MusicPlayerInteractions.cs

@@ -1,13 +1,15 @@
 using Sandbox;
+using Sandbox.UI;
 
-public sealed class MusicPlayerInteractions : SimpleInteractions.SimpleInteraction
+public sealed class MusicPlayerInteractions : InteractionButton
 {
-	[Property] public MyMusicPlayer MusicPlayer { get; set; } 
-
-	[Rpc.Broadcast]
-	protected override void OnInteract()
+	[Property] public MyMusicPlayer MusicPlayer { get; set; }
+	
+	public override bool Press(IPressable.Event e)
 	{
-		// Log.Info($"{Rpc.Caller.DisplayName} interacted with {this.GameObject.Name}!");
+		base.Press(e);
+		Log.Info("PRESSED");
 		MusicPlayer.Next();
+		return true;
 	}
 }

Code/Sounds/MusicPlayerNextButton.cs

@@ -1,45 +0,0 @@
-namespace Sandbox;
-
-[Icon( "skip_next" )]
-public sealed class MusicPlayerNextButton : Component, Component.IPressable
-{
-	[Property] public string Label { get; set; } = "Next track";
-
-	public bool Press( Component.IPressable.Event e )
-	{
-		Log.Info( $"Press от {e.Source}" );
-		return true;
-	}
-	
-	public void Hover( Component.IPressable.Event e )
-	{
-		Log.Info( $"Hover от {e.Source}" );
-	}
-
-	public void Look( Component.IPressable.Event e )
-	{
-		Log.Info( "Look..." );
-	}
-
-	public void Blur( Component.IPressable.Event e )
-	{
-		Log.Info( "Blur — игрок отвёл взгляд" );
-	}
-
-	public void Release( Component.IPressable.Event e )
-	{
-		Log.Info( "Release — игрок отпустил кнопку" );
-	}
-
-	public bool Pressing( Component.IPressable.Event e )
-	{
-		// возвращаем true, чтобы удержание продолжалось
-		return true;
-	}
-
-	public bool CanPress( Component.IPressable.Event e )
-	{
-		// например, можно сделать: return !isCoolingDown
-		return true;
-	}
-}