private void sldVolumeStateChanged(javax.swing.event.ChangeEvent evt) {//GEN-FIRST:event_sldVolumeStateChanged
       listener.setVolume(sldVolume.getValue() / 100f);
       ar.setListener(listener);
    }
This method is called from within the constructor to
initialize the form.
WARNING: Do NOT modify this code. The content of this method is
always regenerated by the Form Editor.
jme3-examples/src/main/java/jme3test/audio/TestMusicPlayer.java