diff --git a/game/love_src/asset/audio/sfx/race/va/Test2.mp3 b/game/love_src/asset/audio/sfx/race/va/Test2.mp3
new file mode 100644
index 0000000..b9df60e
Binary files /dev/null and b/game/love_src/asset/audio/sfx/race/va/Test2.mp3 differ
diff --git a/game/love_src/asset/audio/sfx/race/va/Test3.mp3 b/game/love_src/asset/audio/sfx/race/va/Test3.mp3
new file mode 100644
index 0000000..0ea551c
Binary files /dev/null and b/game/love_src/asset/audio/sfx/race/va/Test3.mp3 differ
diff --git a/game/love_src/asset/audio/sfx/race/va/test1.mp3 b/game/love_src/asset/audio/sfx/race/va/test1.mp3
new file mode 100644
index 0000000..e2343a0
Binary files /dev/null and b/game/love_src/asset/audio/sfx/race/va/test1.mp3 differ
diff --git a/game/love_src/src/new/world/main_menu/components/button.lua b/game/love_src/src/new/world/main_menu/components/button.lua
index 86b10ec..52ad725 100644
--- a/game/love_src/src/new/world/main_menu/components/button.lua
+++ b/game/love_src/src/new/world/main_menu/components/button.lua
@@ -32,6 +32,8 @@ function world:load(entity, data)
   self.data = data or default
   self.data.temp_color = self.data.bg_color
   self.mouse = "not click"
+  self.sfx_highlight = love.audio.newSource("love_src/asset/audio/sfx/book_flip.4.ogg", "static")
+  self.sfx_click = love.audio.newSource("love_src/asset/audio/sfx/book_flip.8.ogg", "static")
 end
 
 -- x1 y1        -- (x1 + w1) y1
@@ -59,6 +61,16 @@ local function transform(x, y, w, h, ox, oy,lox, loy, s)
   return x, y, w, h, ox, oy, lox, loy
 end
 
+function world:highlight()
+  self.data.temp_color = self.data.highlight_color
+  self.sfx_highlight:play()
+end
+
+function world:click()
+  self.data.func()
+  self.sfx_click:play()
+end
+
 function world:update(dt)
   local xm, ym = love.mouse.getPosition()
   local x, y, w, h, ox, oy, lox, loy, s = self.data.pos[1], self.data.pos[2],
@@ -68,7 +80,7 @@ function world:update(dt)
     self.data.scale
   x, y, w, h, ox, oy, lox, loy = transform(x, y, w, h, ox, oy, lox, loy, s)
   if (is_inside(x, y, w, h, xm, ym)) then
-    self.data.temp_color = self.data.highlight_color
+    self:highlight()
     if (love.mouse.isDown(1)) then
       if (self.mouse == "not click") then
         self.mouse = "click"
@@ -76,7 +88,7 @@ function world:update(dt)
     else
       if (self.mouse == "click") then
         self.mouse = "not click"
-        self.data.func()
+        self:click()
       end
     end
   else
diff --git a/game/love_src/src/new/world/race/init.lua b/game/love_src/src/new/world/race/init.lua
index eb051e6..0260207 100644
--- a/game/love_src/src/new/world/race/init.lua
+++ b/game/love_src/src/new/world/race/init.lua
@@ -107,12 +107,35 @@ function world:load(data, entities_data)
   self:setup()
 end
 
+local phases = {
+  intro = {
+    is_played = false,
+    source = love.audio.newSource("love_src/asset/audio/sfx/race/va/test1.mp3", "static"),
+  },
+  mid = {
+    is_played = false,
+    source = love.audio.newSource("love_src/asset/audio/sfx/race/va/Test2.mp3", "static"),
+  },
+  ed = {
+    is_played = false,
+    source = love.audio.newSource("love_src/asset/audio/sfx/race/va/Test3.mp3", "static")
+  }
+}
+
+local phase = "intro"
+
 function world:update(dt)
   for _, e in ipairs(self.entities) do
     for t, c in pairs(e.components) do
       c:update(dt)
     end
   end
+  if (phases[phase]) then
+    if (not phases[phase].source:isPlaying() and not phases[phase].is_played) then
+      phases[phase].source:play()
+      phases[phase].is_played = true
+    end
+  end
 end
 
 function world:draw()
diff --git a/game/main.lua b/game/main.lua
index 369622b..86c1386 100644
--- a/game/main.lua
+++ b/game/main.lua
@@ -227,10 +227,12 @@ local world_data = {
 
 current = wm["main_menu"]
 
+local bgm = love.audio.newSource("love_src/asset/audio/bgm/Ensemble.mp3", "stream")
+bgm:setLooping(true)
+bgm:play()
+
 function load_world(world_to_load)
-  print(current)
   current = world_to_load
-  print(current)
   local c_w = world_data[current]
   world[current] = c_w.world
   world[current]:load(c_w.data, c_w.entities_data)