JavaScriptAudioNode is an EventTarget.

client/dom/frog/frog_dom.dart

 #library('dom');
 
 #native('frog_dom.js');
 // Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 // DO NOT EDIT
 // Auto-generated Dart DOM library.
 
@@ skipping 4311 matching lines @@
   int operator[](int index) native;
 
   void operator[]=(int index, int value) native;
 
   Int8Array subarray(int start, [int end = null]) native;
 }
 
 class JavaScriptAudioNode extends AudioNode native "*JavaScriptAudioNode" {
 
   int bufferSize;
+
+  // From EventTarget
+
+  void addEventListener(String type, EventListener listener, [bool useCapture = null]) native;
+
+  bool dispatchEvent(Event event) native;
+
+  void removeEventListener(String type, EventListener listener, [bool useCapture = null]) native;
 }
 
 class JavaScriptCallFrame native "*JavaScriptCallFrame" {
 
   static final int CATCH_SCOPE = 4;
 
   static final int CLOSURE_SCOPE = 3;
 
   static final int GLOBAL_SCOPE = 0;
 
@@ skipping 6996 matching lines @@
       startIndex = a.length - 1;
     }
     for (int i = startIndex; i >= 0; i--) {
       if (a[i] == element) {
         return i;
       }
     }
     return -1;
   }
 }