diff --git a/controllers/prototype/views/prototype.jade b/controllers/prototype/views/prototype.jade
index aa997b1..f06f9da 100644
--- a/controllers/prototype/views/prototype.jade
+++ b/controllers/prototype/views/prototype.jade
@@ -61,7 +61,7 @@ block content
         input#showarrows(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'}, checked)
         label(for="showarrows" style={'margin-right':'10px'}) Show arrows
 
-        //- audio(controls, autoplay)
-        //-     source(src="/static/data/music/bobomb.mp3")
+        audio(controls)
+            source(src="/static/data/music/bobomb.mp3")
 
         #container(style={'padding': '0px', 'margin': '0px'}, tabindex="1")
diff --git a/static/data/music/bobomb.mp3 b/static/data/music/bobomb.mp3
new file mode 100644
index 0000000..bbc66cf
Binary files /dev/null and b/static/data/music/bobomb.mp3 differ