void Awake()
{
audioSources = FindObjectsOfType(typeof(AudioSource)) as AudioSource[];
// sfxVolume = GameObject.Find ("sfx_slider").GetComponent <Slider> ().value;
// masterVolume = GameObject.Find ("master_slider").GetComponent <Slider> ().value;
// musicVolume = GameObject.Find ("music_slider").GetComponent <Slider> ().value;
// Keep an array that tracks all sounds for convenience
// audioSources = ambience.Concat(walks).Concat(gunshots).Concat(ghostnoises).ToArray();
// audioSources = ambience.Concat(walks).Concat(gunshots).ToArray();
// Set Ambience to first track
SetAmbience( NullTest(ambience, 0));
}