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diff --git a/tests/com/jsyn/examples/PlaySampleCrossfade.java b/tests/com/jsyn/examples/PlaySampleCrossfade.java
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+/*
+ * Copyright 2010 Phil Burk, Mobileer Inc
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.jsyn.examples;
+
+import java.awt.GridLayout;
+import java.io.IOException;
+import java.net.MalformedURLException;
+import java.net.URL;
+
+import javax.swing.JApplet;
+import javax.swing.event.ChangeEvent;
+import javax.swing.event.ChangeListener;
+
+import com.jsyn.JSyn;
+import com.jsyn.Synthesizer;
+import com.jsyn.data.FloatSample;
+import com.jsyn.devices.AudioDeviceFactory;
+import com.jsyn.ports.QueueDataCommand;
+import com.jsyn.swing.DoubleBoundedRangeModel;
+import com.jsyn.swing.DoubleBoundedRangeSlider;
+import com.jsyn.swing.JAppletFrame;
+import com.jsyn.swing.PortControllerFactory;
+import com.jsyn.unitgen.LineOut;
+import com.jsyn.unitgen.VariableRateDataReader;
+import com.jsyn.unitgen.VariableRateMonoReader;
+import com.jsyn.unitgen.VariableRateStereoReader;
+import com.jsyn.util.SampleLoader;
+
+/**
+ * Play a sample from a WAV file using JSyn. Use a crossfade to play a loop at an arbitrary
+ * position.
+ * 
+ * @author Phil Burk (C) 2010 Mobileer Inc
+ */
+public class PlaySampleCrossfade extends JApplet {
+    private static final double LOOP_START_FRACTION = 0.2;
+    private Synthesizer synth;
+    private VariableRateDataReader samplePlayer;
+    private LineOut lineOut;
+    private FloatSample sample;
+    private DoubleBoundedRangeModel rangeModelSize;
+    private DoubleBoundedRangeModel rangeModelCrossfade;
+    private int loopStartFrame;
+
+    @Override
+    public void init() {
+
+        URL sampleFile;
+        try {
+            sampleFile = new URL("http://www.softsynth.com/samples/Clarinet.wav");
+        } catch (MalformedURLException e2) {
+            e2.printStackTrace();
+            return;
+        }
+
+        synth = JSyn.createSynthesizer(AudioDeviceFactory.createAudioDeviceManager(true));
+
+        try {
+            // Add an output mixer.
+            synth.add(lineOut = new LineOut());
+
+            // Load the sample and display its properties.
+            SampleLoader.setJavaSoundPreferred(false);
+            sample = SampleLoader.loadFloatSample(sampleFile);
+            System.out.println("Sample has: channels  = " + sample.getChannelsPerFrame());
+            System.out.println("            frames    = " + sample.getNumFrames());
+            System.out.println("            rate      = " + sample.getFrameRate());
+            System.out.println("            loopStart = " + sample.getSustainBegin());
+            System.out.println("            loopEnd   = " + sample.getSustainEnd());
+
+            if (sample.getChannelsPerFrame() == 1) {
+                synth.add(samplePlayer = new VariableRateMonoReader());
+                samplePlayer.output.connect(0, lineOut.input, 0);
+            } else if (sample.getChannelsPerFrame() == 2) {
+                synth.add(samplePlayer = new VariableRateStereoReader());
+                samplePlayer.output.connect(0, lineOut.input, 0);
+                samplePlayer.output.connect(1, lineOut.input, 1);
+            } else {
+                throw new RuntimeException("Can only play mono or stereo samples.");
+            }
+
+            samplePlayer.rate.set(sample.getFrameRate());
+
+        } catch (IOException e1) {
+            e1.printStackTrace();
+        }
+
+        // Start at arbitrary position near beginning of sample.
+        loopStartFrame = (int) (sample.getNumFrames() * LOOP_START_FRACTION);
+
+        // Arrange the faders in a stack.
+        setLayout(new GridLayout(0, 1));
+
+        samplePlayer.rate.setup(4000.0, sample.getFrameRate(), sample.getFrameRate() * 2.0);
+        add(PortControllerFactory.createExponentialPortSlider(samplePlayer.rate));
+
+        // Use fader to select arbitrary loop size.
+        rangeModelSize = new DoubleBoundedRangeModel("LoopSize", 10000, 0.01,
+                (1.0 - LOOP_START_FRACTION), 0.5);
+        rangeModelSize.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                queueNewLoop();
+            }
+
+        });
+        add(new DoubleBoundedRangeSlider(rangeModelSize, 3));
+
+        // Use fader to set the size of the crossfade region.
+        rangeModelCrossfade = new DoubleBoundedRangeModel("Crossfade", 1000, 0.0, 1000.0, 0.0);
+        rangeModelCrossfade.addChangeListener(new ChangeListener() {
+            @Override
+            public void stateChanged(ChangeEvent e) {
+                queueNewLoop();
+            }
+
+        });
+
+        add(new DoubleBoundedRangeSlider(rangeModelCrossfade, 3));
+
+        validate();
+    }
+
+    private void queueNewLoop() {
+        int loopSize = (int) (sample.getNumFrames() * rangeModelSize.getDoubleValue());
+        if ((loopStartFrame + loopSize) > sample.getNumFrames()) {
+            loopSize = sample.getNumFrames() - loopStartFrame;
+        }
+        int crossFadeSize = (int) (rangeModelCrossfade.getDoubleValue());
+
+        // For complex queuing operations, create a command and then customize it.
+        QueueDataCommand command = samplePlayer.dataQueue.createQueueDataCommand(sample,
+                loopStartFrame, loopSize);
+        command.setNumLoops(-1);
+        command.setSkipIfOthers(true);
+        command.setCrossFadeIn(crossFadeSize);
+
+        System.out.println("Queue: " + loopStartFrame + ", #" + loopSize + ", X=" + crossFadeSize);
+        synth.queueCommand(command);
+    }
+
+    @Override
+    public void start() {
+        // Start synthesizer using default stereo output at 44100 Hz.
+        synth.start();
+        // Start the LineOut. It will pull data from the oscillator.
+        lineOut.start();
+
+        // Queue attack portion of sample.
+        samplePlayer.dataQueue.queue(sample, 0, loopStartFrame);
+        queueNewLoop();
+    }
+
+    @Override
+    public void stop() {
+        synth.stop();
+        synth.stop();
+    }
+
+    /* Can be run as either an application or as an applet. */
+    public static void main(String args[]) {
+        PlaySampleCrossfade applet = new PlaySampleCrossfade();
+        JAppletFrame frame = new JAppletFrame("PlaySampleCrossfade", applet);
+        frame.setSize(440, 300);
+        frame.setVisible(true);
+        frame.test();
+    }
+
+}