@Override
    public AudioData getAudioData() {
        return data;
    }
@return The {@link AudioData} set previously with
{@link AudioNode#setAudioData(com.jme3.audio.AudioData, com.jme3.audio.AudioKey) }
or any of the constructors that initialize the audio data.
jme3-core/src/main/java/com/jme3/audio/AudioNode.java