[SerializeField]
private AudioSource m_source = null;

[SerializeField]
private AudioClip[] m_clips = null;

private void Awake()
{
    m_graph = new AudioCrossfadeGraph();
    m_graph.Create(m_source, m_clips);
}

private void OnDestroy()
{
    m_graph.Destroy();
    m_graph = null;
}

private void Update()
{
    int clipIndex = 3;
    float fadeTime = 5.0f;
    m_graph.Crossfade(clipIndex, fadeTime);
}