Examples: Update credits in webaudio_orientation

Author: Mugen87

examples/webaudio_orientation.html

@@ -88,7 +88,7 @@
 	<div id="container"></div>
 	<div id="info">
 		<a href="https://threejs.org" target="_blank" rel="noopener noreferrer">three.js</a> webaudio orientation |
-		sound effect by <a href="https://freesound.org/people/michorvath/sounds/269718/" target="_blank" rel="noopener noreferrer">michorvath</a>
+		music by <a href="http://www.newgrounds.com/audio/listen/376737" target="_blank" rel="noopener noreferrer">skullbeatz</a>
 	</div>
 
 	<script>