What is the song that Christine sings when the Phantom first hears her sing in the 1990 Phantom of the Opera Miniseries?

In the 1990 miniseries "The Phantom of the Opera," Christine Daaé sings "Think of Me" when the Phantom first hears her. This song showcases her vocal talent and captures the Phantom's attention, igniting his obsession with her. It serves as a pivotal moment in the story, highlighting Christine's potential as a singer and the Phantom's role as her mentor.