http://www.youtube.com/watch?v=o2GuK0kshNo
If Christine had not been met ,Raoul,the handsam guy who had been loved her deeply,she would fall in love with Phantom who had voice soft as angle. so that Erik(Phantom) would not kidnap Christine to his home in the cellars and would not reveal his true identity--an evil lonely soul in stead of a angle who could lead Christine to a better level of singing.