diff --git a/godot_ship/project.godot b/godot_ship/project.godot
index 36867c8..200002f 100644
--- a/godot_ship/project.godot
+++ b/godot_ship/project.godot
@@ -18,7 +18,7 @@ config/icon="res://icon.png"
 
 MessageBus="*res://script/game/Message Bus.gd"
 OptionsController="*res://script/options/OptionsController.gd"
-AudioController="*res://scenes/AudioController.tscn"
+AudioController="*res://scenes/BackgroundMusic.tscn"
 
 [display]
 
diff --git a/godot_ship/scenes/AudioController.tscn b/godot_ship/scenes/BackgroundMusic.tscn
similarity index 66%
rename from godot_ship/scenes/AudioController.tscn
rename to godot_ship/scenes/BackgroundMusic.tscn
index 2f790fd..ed365b8 100644
--- a/godot_ship/scenes/AudioController.tscn
+++ b/godot_ship/scenes/BackgroundMusic.tscn
@@ -1,12 +1,10 @@
-[gd_scene load_steps=3 format=2]
+[gd_scene load_steps=2 format=2]
 
 [ext_resource path="res://BGM - Captain Scurvy.ogg" type="AudioStream" id=1]
-[ext_resource path="res://script/audio controller/AudioController.gd" type="Script" id=2]
 
 [node name="Control" type="Control"]
 anchor_right = 1.0
 anchor_bottom = 1.0
-script = ExtResource( 2 )
 __meta__ = {
 "_edit_use_anchors_": false
 }
diff --git a/godot_ship/scenes/Options.tscn b/godot_ship/scenes/Options.tscn
index 841e34e..89a9372 100644
--- a/godot_ship/scenes/Options.tscn
+++ b/godot_ship/scenes/Options.tscn
@@ -68,6 +68,8 @@ focus_neighbour_top = NodePath("../../../Back")
 focus_neighbour_bottom = NodePath("../../Volume Setting/Volume Slider")
 focus_next = NodePath("../../Volume Setting/Volume Slider")
 focus_previous = NodePath("../../../Back")
+min_value = -80.0
+max_value = 0.0
 step = 10.0
 tick_count = 11
 __meta__ = {
@@ -98,6 +100,8 @@ focus_neighbour_top = NodePath("../../SFX Setting/SFX Slider")
 focus_neighbour_bottom = NodePath("../../../Buttons/Dark")
 focus_next = NodePath("../../../Buttons/Dark")
 focus_previous = NodePath("../../SFX Setting/SFX Slider")
+min_value = -80.0
+max_value = 0.0
 step = 10.0
 tick_count = 11
 ticks_on_borders = true
diff --git a/godot_ship/script/audio controller/AudioController.gd b/godot_ship/script/audio controller/AudioController.gd
deleted file mode 100644
index 4301c20..0000000
--- a/godot_ship/script/audio controller/AudioController.gd	
+++ /dev/null
@@ -1,16 +0,0 @@
-extends Control
-
-
-# Declare member variables here. Examples:
-# var a = 2
-# var b = "text"
-
-
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	pass # Replace with function body.
-
-	
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-#func _process(delta):
-#	pass
diff --git a/godot_ship/script/options/OptionsController.gd b/godot_ship/script/options/OptionsController.gd
index 62169d8..82f018e 100644
--- a/godot_ship/script/options/OptionsController.gd
+++ b/godot_ship/script/options/OptionsController.gd
@@ -24,6 +24,7 @@ func set_theme(theme_name):
 			emit_signal("change_theme", theme)
 func set_mus_vol(volume):
 	mus_vol = volume
+	AudioServer.set_bus_volume_db(AudioServer.get_bus_index("Master"), mus_vol)
 	emit_signal("change_mus_volume", mus_vol)
 func set_sfx_vol(volume):
 	sfx_vol = volume
@@ -43,6 +44,7 @@ func load_options():
 		mus_vol = f.get_var()
 		sfx_vol = f.get_var()
 		f.close()
+		AudioServer.set_bus_volume_db(AudioServer.get_bus_index("Master"), mus_vol)
 
 # Getters
 func get_theme():