do not call setMedia({}) on init

server/djrandom/frontend/static/js/circle.player.js

@@ -92,7 +92,9 @@ CirclePlayer.prototype = {
 			if(event.jPlayer.html.used && event.jPlayer.html.audio.available) {
 				self.audio = $(this).data("jPlayer").htmlElement.audio;
 			}
+                        if (self.media.mp3) {
 			  $(this).jPlayer("setMedia", self.media);
+                        }
 			self._initCircleControl();
 		});