[1] She is featured on the soundtracks for the films Avatar, Avatar: The Way of Water, Concussion, Shrek, The Passion Of The Christ, Transformers, The Big Wedding (co-wrote "Wonderful Life" with Nathan Barr), The Chronicles of Narnia: The Lion, the Witch, and the Wardrobe, The Chronicles of Narnia: Prince Caspian and Munich, in which she sings a 3 minute solo specifically written for her by John Williams.
In addition, Scott scored the Netflix films American Son and Justine, as well as the Moving Art episodes Machu Picchu and Oceans for Louie Schwartzberg.
For Mel Gibson's 2004 film The Passion of the Christ, she contributed to John Debney's score by writing and singing lyrics in Aramaic, based on Psalms and other biblical material.
[2] In addition to this, Scott also provided the vocals for the ending theme of Metal Gear Solid 4: Guns of the Patriots, "Here's To You", which is a cover of the song of the same name that appeared in the 1971 film Sacco e Vanzetti.
She has collaborated with John Williams, Danny Elfman, John Debney, Hans Zimmer, Harry Gregson-Williams, Brian Tyler, James Horner, Nathan Barr, Simon Franglen, Yoav Goren for GLOBUS,Rob Duncan, Snuffy Walden, Yoko Shimomura, Kaoru Wada, and Paul Schwartz and has been a featured vocalist on four of Schwartz's releases which spent 10 weeks in Billboard's top ten.
On the album Scott performed the Jimmy Cliff song "Many Rivers to Cross" that was meshed with "Once Upon a Time" by the Tunisian musician Lobna Noomene.