diff --git a/credits.md b/credits.md
index b7507e5..9c24668 100644
--- a/credits.md
+++ b/credits.md
@@ -25,3 +25,23 @@ I edited some textures to fit the [Famicube palette](https://lospec.com/palette-
 ## Dust particles
 
 [GraphxKid - OpenGameArt](https://opengameart.org/content/items-and-elements)
+
+# Audio
+
+## Sound effects
+
+I generated almost all the different audio effects using [JSFXR by Eric Fredricksen](https://sfxr.me/), except for the pinmik's voice clips that I recorded myself and slightly edited using [Audacity](https://www.audacityteam.org/)
+
+## Musics
+
+### Main menu
+
+[Scribe - Adventure Time](https://opengameart.org/content/adventure-time)
+
+### Game over
+
+[Augmentality - Story Time](https://opengameart.org/content/story-time)
+
+### Ingame
+
+[Scribe - Summer Park](https://opengameart.org/content/summer-park-8bit-tune-loop)
diff --git a/gamedata/game.py b/gamedata/game.py
index dc75c76..3bcc49b 100644
--- a/gamedata/game.py
+++ b/gamedata/game.py
@@ -74,6 +74,7 @@ class Game():
 
         # Je charge la scene de base
         scenes.main(self)
+        self.sound_lib["bgm/menu.ogg"].play(-1)
 
     def set_camera(self,posx,posy):
         self.globals["camerax"], self.globals["cameray"] = posx,posy
diff --git a/gamedata/objects/gameover.py b/gamedata/objects/gameover.py
index 7887948..1f2f0e4 100644
--- a/gamedata/objects/gameover.py
+++ b/gamedata/objects/gameover.py
@@ -9,6 +9,8 @@ class GameOver(BaseObject):
         # Back button function
         def fnBack(self,game):
             game.scene = game.scenes.main
+            self.game.sound_lib["bgm/gameover.ogg"].stop()
+            self.game.sound_lib["bgm/menu.ogg"].play(-1)
 
         # Creating the back button
         btn = Button(int(game.DISPLAY_WIDTH/4),int(game.DISPLAY_HEIGHT*0.8),game,game.DISPLAY_WIDTH//2,int(game.DISPLAY_HEIGHT*0.1))
@@ -111,6 +113,8 @@ class GameOver(BaseObject):
 
                 self.sfxscore.play()
 
+                self.game.sound_lib["bgm/gameover.ogg"].play(-1)
+
         if self.launched:
             self.flashtimer.tick(self.game.dt)
 
diff --git a/gamedata/objects/menu/optionmenu.py b/gamedata/objects/menu/optionmenu.py
index 34aab27..e7d2664 100644
--- a/gamedata/objects/menu/optionmenu.py
+++ b/gamedata/objects/menu/optionmenu.py
@@ -8,7 +8,7 @@ class OptionMenu(menu.Menu):
         def fnRetour(self,game):
             game.lib.savesettings(game.datadir,bgm=game.globals["bgmvolume"],sfx=game.globals["sfxvolume"],filename=game.settingsname)
             game.scene = game.scenes.main
-        btnRetour= {"name":"Retour","function": fnRetour}
+        btnRetour= {"name":"Back","function": fnRetour}
 
         # Initialisation de la grille du menu
         self.grid = [
diff --git a/gamedata/objects/sliders/bgmslider.py b/gamedata/objects/sliders/bgmslider.py
index 6aa1561..5dd291d 100644
--- a/gamedata/objects/sliders/bgmslider.py
+++ b/gamedata/objects/sliders/bgmslider.py
@@ -6,7 +6,7 @@ class BGMSlider(Slider):
 
         self.currentvalue = self.getvalue()
 
-        self.posttext = " % Musique"
+        self.posttext = " % Music volume"
 
     def change(self):
         self.game.globals["bgmvolume"] = self.currentvalue/100
diff --git a/gamedata/objects/sliders/sfxslider.py b/gamedata/objects/sliders/sfxslider.py
index b36cdac..ff9b531 100644
--- a/gamedata/objects/sliders/sfxslider.py
+++ b/gamedata/objects/sliders/sfxslider.py
@@ -6,7 +6,7 @@ class SFXSlider(Slider):
 
         self.currentvalue = self.getvalue()
 
-        self.posttext = " % Effets Sonores"
+        self.posttext = " % SFX volume"
 
     def change(self):
         self.game.globals["sfxvolume"] = self.currentvalue/100
diff --git a/gamedata/scenes.py b/gamedata/scenes.py
index 2c9015e..f124023 100644
--- a/gamedata/scenes.py
+++ b/gamedata/scenes.py
@@ -32,6 +32,8 @@ def ingame(game):
     game.globals["camerax"] = 0
     game.globals["cameray"] = 0
     game.gameloop.summon(Manager(game))
+    game.sound_lib["bgm/menu.ogg"].stop()
+    game.sound_lib["bgm/ingame.ogg"].play(-1)
 
 def options(game):
     game.gameloop.delname("Button")
@@ -53,3 +55,4 @@ def gameover(game):
     game.gameloop.reinit()
     go = GameOver(game)
     game.gameloop.summon(go)
+    game.sound_lib["bgm/ingame.ogg"].stop()
diff --git a/gamedata/sounds/bgm/gameover.ogg b/gamedata/sounds/bgm/gameover.ogg
new file mode 100644
index 0000000..9947e30
Binary files /dev/null and b/gamedata/sounds/bgm/gameover.ogg differ
diff --git a/gamedata/sounds/bgm/ingame.ogg b/gamedata/sounds/bgm/ingame.ogg
new file mode 100644
index 0000000..7809da8
Binary files /dev/null and b/gamedata/sounds/bgm/ingame.ogg differ
diff --git a/gamedata/sounds/bgm/menu.ogg b/gamedata/sounds/bgm/menu.ogg
new file mode 100644
index 0000000..e4b2168
Binary files /dev/null and b/gamedata/sounds/bgm/menu.ogg differ