diff --git a/assets/joy/lang/en_us.json b/assets/joy/lang/en_us.json
index 73ba95a..031fba0 100644
--- a/assets/joy/lang/en_us.json
+++ b/assets/joy/lang/en_us.json
@@ -3,10 +3,12 @@
   "joy.music.game.douglas": "WorldWidePixel - Douglas",
   "joy.music.game.melancolie": "WorldWidePixel - Mélancolie",
   "joy.music.game.regina": "WorldWidePixel - Regina",
+  "joy.music.game.opaque_window": "WorldWidePixel - Opaque Window",
   "joy.music.menu.joy": "WorldWidePixel - Joy",
   "now-playing.joy:music/game/creative": "WorldWidePixel - Reminiscence",
   "now-playing.joy:music/game/douglas": "WorldWidePixel - Douglas",
   "now-playing.joy:music/game/melancolie": "WorldWidePixel - Mélancolie",
   "now-playing.joy:music/game/regina": "WorldWidePixel - Regina",
+  "now-playing.joy:music/game/opaque_window": "WorldWidePixel - Opaque Window",
   "now-playing.joy:music/menu/joy": "WorldWidePixel - Joy"
-}
\ No newline at end of file
+}
diff --git a/assets/joy/sounds.json b/assets/joy/sounds.json
index 3a6ee51..434532d 100644
--- a/assets/joy/sounds.json
+++ b/assets/joy/sounds.json
@@ -31,6 +31,14 @@
       }
     ]
   },
+  "music.opaque_window": {
+    "sounds": [
+      {
+        "name": "joy:music/game/opaque_window",
+        "stream": true
+      }
+    ]
+  },
   "music.reminiscence": {
     "sounds": [
       {
@@ -39,4 +47,4 @@
       }
     ]
   }
-}
\ No newline at end of file
+}
diff --git a/assets/joy/sounds/music/game/opaque_window.ogg b/assets/joy/sounds/music/game/opaque_window.ogg
new file mode 100644
index 0000000..fd308d6
Binary files /dev/null and b/assets/joy/sounds/music/game/opaque_window.ogg differ
diff --git a/assets/minecraft/sounds.json b/assets/minecraft/sounds.json
index d5fc339..53cac06 100644
--- a/assets/minecraft/sounds.json
+++ b/assets/minecraft/sounds.json
@@ -20,6 +20,10 @@
       {
         "name": "joy:music/game/regina",
         "stream": true
+      },
+      {
+        "name": "joy:music/game/opaque_window",
+        "stream": true
       }
     ]
   },
@@ -31,4 +35,4 @@
       }
     ]
   }
-}
\ No newline at end of file
+}