--- a/player.js	Wed Oct 12 12:43:57 2016 +0800
+++ b/player.js	Wed Oct 12 12:51:04 2016 +0800
@@ -105,6 +105,7 @@
             Module.ccall('gme_delete', 'number', ['number'], [this.emu]);
             delete this.emu;
         }
+        this.get('track').clear();
     },
 
     getTrackInfo: function(track) {