diff -r 37bb8e326446 -r bd2f2c3f205c annot-server/webapp/templates/pianoroll.html
--- a/annot-server/webapp/templates/pianoroll.html	Tue Oct 28 18:11:16 2014 +0100
+++ b/annot-server/webapp/templates/pianoroll.html	Wed Oct 29 12:50:30 2014 +0100
@@ -25,6 +25,7 @@
      </p>
     <pre id="log"></pre>
     <script src="{{ config['STATIC_URL'] }}/js/pixi.js"></script>
+    <script src="{{ config['STATIC_URL'] }}/js/randomColor.js"></script>
     <script>
         var event_code = "{{event.code}}";
     </script>