diff --git a/default_bus_layout.tres b/default_bus_layout.tres
index faa6a9d..d7364df 100644
--- a/default_bus_layout.tres
+++ b/default_bus_layout.tres
@@ -1,13 +1,13 @@
 [gd_resource type="AudioBusLayout" format=3 uid="uid://b2y3qxehkfaq2"]
 
 [resource]
-bus/1/name = &"Musique"
+bus/1/name = &"Music"
 bus/1/solo = false
 bus/1/mute = false
 bus/1/bypass_fx = false
 bus/1/volume_db = 0.0
 bus/1/send = &"Master"
-bus/2/name = &"Effets"
+bus/2/name = &"Sfx"
 bus/2/solo = false
 bus/2/mute = false
 bus/2/bypass_fx = false
diff --git a/menu_principal/menu_principal_affichage.gd b/menu_principal/menu_principal_affichage.gd
index e55ffde..f923b8e 100644
--- a/menu_principal/menu_principal_affichage.gd
+++ b/menu_principal/menu_principal_affichage.gd
@@ -2,6 +2,7 @@ extends Control
 
 @onready var menu_principal = $Menu_principal
 @onready var menu_parametres = $Menu_parametres
+@onready var musique_fond = $MusiqueFond
 
 var first_room = preload("res://scenes/Room.tscn").instantiate()
 
@@ -36,6 +37,7 @@ func on_exit_parametres() -> void :
 
 func _on_play_button_pressed():
 	get_tree().root.add_child(first_room)
+	musique_fond.playing = false
 	menu_principal.visible = false
 	
 func _on_load_button_pressed():
diff --git a/menu_principal/menu_principal_affichage.tscn b/menu_principal/menu_principal_affichage.tscn
index 64c1720..04c0b12 100644
--- a/menu_principal/menu_principal_affichage.tscn
+++ b/menu_principal/menu_principal_affichage.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=8 format=3 uid="uid://bmwgfrd8butry"]
+[gd_scene load_steps=9 format=3 uid="uid://bmwgfrd8butry"]
 
 [ext_resource type="Script" path="res://menu_principal/menu_principal_affichage.gd" id="1_10mja"]
 [ext_resource type="Texture2D" uid="uid://dqfrqntx73do5" path="res://ressources/images/menu_jeu_button.svg" id="1_502q6"]
@@ -7,6 +7,7 @@
 [ext_resource type="Texture2D" uid="uid://c5q7bc5hpe6hd" path="res://ressources/images/menu_jeu_tiny_button.svg" id="3_o6osq"]
 [ext_resource type="Texture2D" uid="uid://1pxsc65es708" path="res://ressources/images/menu_jeu_tiny_button_survole.svg" id="4_egxbj"]
 [ext_resource type="PackedScene" uid="uid://di4chlep1t1or" path="res://parametres/menu_parametres.tscn" id="6_0lenm"]
+[ext_resource type="AudioStream" uid="uid://d0dmu15vidwv0" path="res://ressources/sons/main_theme.wav" id="8_sq6yk"]
 
 [node name="Menu_principal_affichage" type="Control"]
 layout_mode = 3
@@ -199,7 +200,9 @@ visible = false
 layout_mode = 1
 
 [node name="MusiqueFond" type="AudioStreamPlayer" parent="."]
+stream = ExtResource("8_sq6yk")
 autoplay = true
+bus = &"Music"
 
 [connection signal="pressed" from="Menu_principal/HBoxContainer/VBoxMainButton/play_button" to="." method="_on_play_button_pressed"]
 [connection signal="pressed" from="Menu_principal/HBoxContainer/VBoxMainButton/load_button" to="." method="_on_load_button_pressed"]
diff --git a/ressources/sons/main_theme.wav.import b/ressources/sons/main_theme.wav.import
new file mode 100644
index 0000000..07369da
--- /dev/null
+++ b/ressources/sons/main_theme.wav.import
@@ -0,0 +1,24 @@
+[remap]
+
+importer="wav"
+type="AudioStreamWAV"
+uid="uid://d0dmu15vidwv0"
+path="res://.godot/imported/main_theme.wav-f68a2eb8189ec13871517c9396b1674a.sample"
+
+[deps]
+
+source_file="res://ressources/sons/main_theme.wav"
+dest_files=["res://.godot/imported/main_theme.wav-f68a2eb8189ec13871517c9396b1674a.sample"]
+
+[params]
+
+force/8_bit=false
+force/mono=false
+force/max_rate=false
+force/max_rate_hz=44100
+edit/trim=false
+edit/normalize=false
+edit/loop_mode=0
+edit/loop_begin=0
+edit/loop_end=-1
+compress/mode=0