diff --git a/static/data/music/redcoins/1.ogg b/static/data/music/redcoins/1.ogg
new file mode 100644
index 0000000..e4c2748
Binary files /dev/null and b/static/data/music/redcoins/1.ogg differ
diff --git a/static/data/music/redcoins/2.ogg b/static/data/music/redcoins/2.ogg
new file mode 100644
index 0000000..c09dede
Binary files /dev/null and b/static/data/music/redcoins/2.ogg differ
diff --git a/static/data/music/redcoins/3.ogg b/static/data/music/redcoins/3.ogg
new file mode 100644
index 0000000..fbc698f
Binary files /dev/null and b/static/data/music/redcoins/3.ogg differ
diff --git a/static/data/music/redcoins/4.ogg b/static/data/music/redcoins/4.ogg
new file mode 100644
index 0000000..54204ad
Binary files /dev/null and b/static/data/music/redcoins/4.ogg differ
diff --git a/static/data/music/redcoins/5.ogg b/static/data/music/redcoins/5.ogg
new file mode 100644
index 0000000..e4edfaa
Binary files /dev/null and b/static/data/music/redcoins/5.ogg differ
diff --git a/static/data/music/redcoins/6.ogg b/static/data/music/redcoins/6.ogg
new file mode 100644
index 0000000..dfbb629
Binary files /dev/null and b/static/data/music/redcoins/6.ogg differ
diff --git a/static/data/music/redcoins/7.ogg b/static/data/music/redcoins/7.ogg
new file mode 100644
index 0000000..57b442d
Binary files /dev/null and b/static/data/music/redcoins/7.ogg differ
diff --git a/static/data/music/redcoins/8.ogg b/static/data/music/redcoins/8.ogg
new file mode 100644
index 0000000..17deeae
Binary files /dev/null and b/static/data/music/redcoins/8.ogg differ
diff --git a/static/js/prototype/Coin.js b/static/js/prototype/Coin.js
index 04967d4..3421d1d 100644
--- a/static/js/prototype/Coin.js
+++ b/static/js/prototype/Coin.js
@@ -4,6 +4,9 @@ var Coin = function(x,y,z) {
     this.init(x,y,z);
 }
 
+var _toto = new Audio();
+Coin.extension = _toto.canPlayType("audio.mpeg") === "" ? ".mp3" : ".ogg";
+
 Coin.prototype.init = function(x,y,z) {
     if (Coin.BASIC_MESH !== null) {
         this.mesh = Coin.BASIC_MESH.clone();
@@ -16,7 +19,7 @@ Coin.prototype.init = function(x,y,z) {
         (function(self,x,y,z) {
             setTimeout(function() {
                 self.init(x,y,z);
-                Coin.nextSound = new Audio(static_path + 'data/music/redcoins/1.mp3');
+                Coin.nextSound = new Audio(static_path + 'data/music/redcoins/1' + Coin.extension);
             },1000);
         })(this,x,y,z);
     }
@@ -59,7 +62,7 @@ Coin.prototype.get = function() {
                 }, Coin.nextSound.duration*1000);
             })(music, wasPlaying);
         } else {
-            Coin.nextSound = new Audio('/static/data/music/redcoins/' + Coin.total + '.mp3');
+            Coin.nextSound = new Audio('/static/data/music/redcoins/' + Coin.total + Coin.extension);
             Coin.nextSound.preload = "auto";
         }
     }