"
He was bound to love you when, he heard you sing
The phantom was Christine's vocal teacher and helped her voice strive and "made her song take wing". By doing so, Christine became an amazing singer with a captivating voice which undoubtedly would win over someones affection. Little did Erik (The Phantom) know, Christine's voice captured Raoul's, Christine's childhood sweetheart's, attention on the night of Christine's first performance and was the reason he noticed Christine again in the first place. He never forgot about his love for Christine, so by hearing her angelic singing voice and realizing that she was in fact Christine, the girl he once loved, it didn't take long for Raoul to fall in love with her again.