--- old/src/share/classes/javax/sound/midi/MidiDevice.java	2010-06-29 18:00:59.000000000 -0700
+++ new/src/share/classes/javax/sound/midi/MidiDevice.java	2010-06-29 18:00:59.000000000 -0700
@@ -107,7 +107,7 @@
  * @author Florian Bomers
  */
 
-public interface MidiDevice {
+public interface MidiDevice extends AutoCloseable {
 
 
     /**