... Writer/director Jennifer Lee and songwriter Kristen Anderson-Lopez talk with Kim Masters about the backstory behind the creation of this new Disney classic. One 'aha' moment came when Anderson-Lopez, writing with her husband, Bobby Lopez (Book of Mormon, Avenue Q), wrote the song Let it Go. Lee discusses how that anthem crystallized the movie for everyone at the studio and how she rewrote the script because of it.
Changes and reworkings come from many sources and directions. The process never really changes.