Made menu music keep playing across all scenes but game

this was way more annoying than it should have been. Wanna know why?
Godot.

Scenes/MainMenu.tscn

@@ -1,9 +1,8 @@
-[gd_scene load_steps=11 format=3 uid="uid://bg4fa11htun38"]
+[gd_scene format=3 uid="uid://bg4fa11htun38"]
 
 [ext_resource type="Script" uid="uid://cyo278cd6hfm" path="res://Scripts/FirstLoad.cs" id="1_ghw46"]
 [ext_resource type="FontFile" uid="uid://dq7nkk7n7wrq4" path="res://Fonts/Lexend.ttf" id="1_tt5f1"]
 [ext_resource type="Script" uid="uid://bc4miccifwrk0" path="res://Scripts/SceneSwitcher.cs" id="2_8saeu"]
-[ext_resource type="AudioStream" uid="uid://6v4630hrkeg6" path="res://Audio/Music/Menu.mp3" id="2_853f1"]
 
 [sub_resource type="LabelSettings" id="LabelSettings_tt5f1"]
 font = ExtResource("1_tt5f1")
@@ -44,7 +43,7 @@ corner_radius_top_right = 5
 corner_radius_bottom_right = 5
 corner_radius_bottom_left = 5
 
-[node name="MainMenu" type="Control"]
+[node name="MainMenu" type="Control" unique_id=636482050]
 layout_mode = 3
 anchors_preset = 15
 anchor_right = 1.0
@@ -53,7 +52,7 @@ grow_horizontal = 2
 grow_vertical = 2
 script = ExtResource("1_ghw46")
 
-[node name="Center" type="Control" parent="."]
+[node name="Center" type="Control" parent="." unique_id=1489292265]
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
@@ -67,7 +66,7 @@ offset_bottom = 20.0
 grow_horizontal = 2
 grow_vertical = 2
 
-[node name="Title" type="Control" parent="Center"]
+[node name="Title" type="Control" parent="Center" unique_id=57661156]
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
@@ -81,7 +80,7 @@ offset_bottom = -78.0
 grow_horizontal = 2
 grow_vertical = 2
 
-[node name="Main" type="Label" parent="Center/Title"]
+[node name="Main" type="Label" parent="Center/Title" unique_id=1207683741]
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
@@ -102,7 +101,7 @@ label_settings = SubResource("LabelSettings_tt5f1")
 horizontal_alignment = 1
 vertical_alignment = 1
 
-[node name="GodotText" type="Label" parent="Center/Title"]
+[node name="GodotText" type="Label" parent="Center/Title" unique_id=403155134]
 modulate = Color(0.3019, 0.560815, 0.753292, 1)
 layout_mode = 1
 anchors_preset = 8
@@ -123,7 +122,7 @@ text = "Godot"
 horizontal_alignment = 1
 vertical_alignment = 1
 
-[node name="Buttons" type="Control" parent="Center"]
+[node name="Buttons" type="Control" parent="Center" unique_id=2095190478]
 layout_mode = 1
 anchors_preset = 8
 anchor_left = 0.5
@@ -137,7 +136,7 @@ offset_bottom = 20.0
 grow_horizontal = 2
 grow_vertical = 2
 
-[node name="HBoxContainer" type="HBoxContainer" parent="Center/Buttons"]
+[node name="HBoxContainer" type="HBoxContainer" parent="Center/Buttons" unique_id=1050417050]
 layout_mode = 1
 anchors_preset = 5
 anchor_left = 0.5
@@ -149,7 +148,7 @@ offset_bottom = 138.0
 grow_horizontal = 2
 theme_override_constants/separation = 30
 
-[node name="Play" type="Button" parent="Center/Buttons/HBoxContainer"]
+[node name="Play" type="Button" parent="Center/Buttons/HBoxContainer" unique_id=2304701]
 custom_minimum_size = Vector2(500, 0)
 layout_mode = 2
 theme_override_colors/font_color = Color(0, 0, 0, 1)
@@ -167,7 +166,7 @@ text = "Play"
 script = ExtResource("2_8saeu")
 ScenePath = "res://Scenes/Game.tscn"
 
-[node name="Settings" type="Button" parent="Center/Buttons/HBoxContainer"]
+[node name="Settings" type="Button" parent="Center/Buttons/HBoxContainer" unique_id=1480005274]
 custom_minimum_size = Vector2(500, 0)
 layout_mode = 2
 theme_override_colors/font_color = Color(0, 0, 0, 1)
@@ -186,7 +185,7 @@ text = "Settings"
 script = ExtResource("2_8saeu")
 ScenePath = "res://Scenes/Settings.tscn"
 
-[node name="VersionText" type="Control" parent="."]
+[node name="VersionText" type="Control" parent="." unique_id=949548132]
 layout_mode = 1
 anchors_preset = 1
 anchor_left = 1.0
@@ -195,7 +194,7 @@ offset_left = -40.0
 offset_bottom = 40.0
 grow_horizontal = 0
 
-[node name="Version" type="Label" parent="VersionText"]
+[node name="Version" type="Label" parent="VersionText" unique_id=520173226]
 layout_mode = 0
 offset_left = -680.0
 offset_top = 24.0
@@ -207,7 +206,7 @@ theme_override_font_sizes/font_size = 81
 text = "Version: {Version Number}"
 horizontal_alignment = 2
 
-[node name="LatestVersion" type="Label" parent="VersionText"]
+[node name="LatestVersion" type="Label" parent="VersionText" unique_id=463446398]
 layout_mode = 0
 offset_left = -880.0
 offset_top = 104.0
@@ -219,9 +218,4 @@ theme_override_font_sizes/font_size = 81
 text = "Latest Version: {Version Number}"
 horizontal_alignment = 2
 
-[node name="HTTPRequest" type="HTTPRequest" parent="VersionText/LatestVersion"]
-
-[node name="AudioStreamPlayer" type="AudioStreamPlayer" parent="."]
-stream = ExtResource("2_853f1")
-autoplay = true
-parameters/looping = true
+[node name="HTTPRequest" type="HTTPRequest" parent="VersionText/LatestVersion" unique_id=558472309]

Scripts/MusicManager.cs

@@ -0,0 +1,43 @@
+using Godot;
+
+public partial class MusicManager : Node {
+    private AudioStreamPlayer _player;
+    private Node _lastScene;
+    private AudioStream _menuMusic;
+
+    public override void _Ready() {
+        _player = new AudioStreamPlayer();
+        AddChild(_player);
+
+        _menuMusic = GD.Load<AudioStream>("res://Audio/Music/Menu.mp3");
+
+        _player.Stream = _menuMusic;
+        _player.Play();
+
+        _lastScene = GetTree().CurrentScene;
+    }
+
+    public override void _Process(double delta) {
+        Node currentScene = GetTree().CurrentScene;
+
+        if (currentScene != _lastScene) {
+            OnSceneChanged(currentScene);
+            _lastScene = currentScene;
+        }
+    }
+
+    private void OnSceneChanged(Node newScene) {
+        if (_player == null) return;
+        if (newScene == null) return;
+
+        if (newScene.Name == "Game") {
+            if (_player.Playing)
+                _player.Stop();
+        } else {
+            if (_player.Stream != _menuMusic || !_player.Playing) {
+                _player.Stream = _menuMusic;
+                _player.Play();
+            }
+        }
+    }
+}

Scripts/MusicManager.cs.uid

@@ -0,0 +1 @@
+uid://cke40vv76wbqq

project.godot

@@ -23,6 +23,7 @@ config/icon="res://icon.png"
 [autoload]
 
 Globals="*res://Scripts/Globals.cs"
+MusicManager="*uid://cke40vv76wbqq"
 
 [display]