diff --git a/core/src/test/java/de/pottgames/tuningfork/test/PlayReverseExample.java b/core/src/test/java/de/pottgames/tuningfork/test/PlayReverseExample.java
index 3de484f..ca2e093 100644
--- a/core/src/test/java/de/pottgames/tuningfork/test/PlayReverseExample.java
+++ b/core/src/test/java/de/pottgames/tuningfork/test/PlayReverseExample.java
@@ -14,35 +14,72 @@
 
 import com.badlogic.gdx.ApplicationAdapter;
 import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.assets.AssetManager;
+import com.badlogic.gdx.assets.loaders.FileHandleResolver;
+import com.badlogic.gdx.assets.loaders.resolvers.InternalFileHandleResolver;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3Application;
 import com.badlogic.gdx.backends.lwjgl3.Lwjgl3ApplicationConfiguration;
 
 import de.pottgames.tuningfork.Audio;
 import de.pottgames.tuningfork.SoundBuffer;
+import de.pottgames.tuningfork.SoundBufferLoader;
+import de.pottgames.tuningfork.SoundBufferLoader.SoundBufferLoaderParameter;
+import de.pottgames.tuningfork.SoundSource;
 import de.pottgames.tuningfork.WaveLoader;
 
 public class PlayReverseExample extends ApplicationAdapter {
-    private Audio       audio;
-    private SoundBuffer sound;
+    private boolean      jobDone = false;
+    private AssetManager assetManager;
+    private Audio        audio;
+    private SoundBuffer  sound;
+    private SoundBuffer  asyncLoadedSound;
+    private SoundSource  source;
 
 
     @Override
     public void create() {
         this.audio = Audio.init();
 
+        this.setupAssetManager();
+        this.load();
+        this.loadAsync();
+        this.source = this.audio.obtainSource(this.sound);
+        this.source.play();
+    }
+
+
+    public void setupAssetManager() {
+        this.assetManager = new AssetManager();
+        final FileHandleResolver resolver = new InternalFileHandleResolver();
+        this.assetManager.setLoader(SoundBuffer.class, new SoundBufferLoader(resolver));
+    }
+
+
+    public void load() {
         // use any of these
+
         // this.sound = AiffLoader.loadReverse(Gdx.files.internal("numbers.aiff"));
         // this.sound = FlacLoader.loadReverse(Gdx.files.internal("numbers_16bit_stereo.flac"));
         // this.sound = Mp3Loader.loadReverse(Gdx.files.internal("numbers.mp3"));
         // this.sound = OggLoader.loadReverse(Gdx.files.internal("numbers2.ogg"));
         this.sound = WaveLoader.loadReverse(Gdx.files.internal("numbers.wav"));
-        this.sound.play();
+    }
+
+
+    private void loadAsync() {
+        final SoundBufferLoaderParameter parameter = new SoundBufferLoaderParameter();
+        parameter.reverse = true;
+        this.assetManager.load("carnivalrides.ogg", SoundBuffer.class, parameter);
     }
 
 
     @Override
     public void render() {
-        // we chill in a black window
+        if (!this.jobDone && this.assetManager.update() && !this.source.isPlaying()) {
+            this.asyncLoadedSound = this.assetManager.get("carnivalrides.ogg");
+            this.asyncLoadedSound.play();
+            this.jobDone = true;
+        }
     }