AudioClip clip = new WWW("File:///" + Application.streamingAssetsPath + "/AudioFile.ogg").GetAudioClipCompressed();

//--You can use this audio clip in several ways.

//Play it as a background music
JukeboxScript j = FindObjectOfType<JukeboxScript>();
j.Custom.clip = clip;
j.PlayCustom();

//Just play it one shot
AudioSource src = FindObjectOfType<AudioListener>().gameObject.AddComponent<AudioSource>();
src.clip = clip;
src.Play();

//Play it attached to the game object
GameObject clipOwner = new GameObject();
AudioClipPlayer.PlayAttached(clip, attachedGameObj.transform.position, attachedGameObj.transform, 1f, maxDistance, out clipOwner, Yandere.transform.position.y);