Along with her contributions with the band, Lee has also participated on numerous other musical projects including Walt Disney Records' Nightmare Revisited and Muppets: The Green Album.Lee has performed collaborations with artists such as Korn, Seether, and David Hodges.
Lee cites influences ranging from composers such as Mozart and Danny Elfman, to parents John Lee, a disc jockey and TV personality, and Sara Cargill.
She has a brother named Robby and two sisters, Carrie and Lori.
Whereas "Whisper" and "Imaginary" were altered before being included on Fallen, "My Immortal" is virtually unchanged, apart from additional string arrangements.
A later band version of "My Immortal" was made available for download for those who had bought an official version of Fallen through their web site, but required that a CD checker program also be downloaded for verification before it would play.
She gave no potential release date, but said of her reason for this new direction, "I need to show that I'm more than a one trick pony." Lee stated during an October 2008 interview with The Gauntlet that she did not know whether or not she would begin a solo career, saying that she was "at a point where I don't know what is next." She noted that Evanescence was still together as a band but that she found touring to be monotonous.