import com.sun.javafx.application.PlatformImpl;
import java.io.File;
import java.net.MalformedURLException;
import javafx.application.Platform;
import javafx.scene.media.AudioClip;

/**
 *
 * @author kirill
 */
public class AudioClipTest {
    public static void main(String[] a) {
        
        PlatformImpl.startup(new Runnable() {
            @Override public void run() {}
        });
        
        try {
            File file = new File("test.mp3");
            final AudioClip clip = new AudioClip(file.toURL().toString());

            new Thread(new Runnable() {
                @Override public void run() {
                    while (true) {
                        try {
                            Thread.sleep(50);
                        } catch (InterruptedException e) {
                            e.printStackTrace();
                        }

                        Platform.runLater(new Runnable() {
                            @Override public void run() {
                                clip.play();
                            }
                        });
                    }

                }
            }).start();         
        } catch (MalformedURLException mex) {
            mex.printStackTrace();
        }
    }
}