Waronker played Joan Jett in the film "What We Do Is Secret" written and directed by Rodger Grossman. In 2005, she contributed to the UNICEF benefit song, "Do They Know It's Hallowe'en?". In 2007, Waronker appeared on Say Anything's "In Defense of the Genre", where she performed guest vocals on the track "No Soul". In late April 2007, Waronker's song "How Am I Doing?" was played at the end of a Grey's Anatomy episode, entitled "Desire". A sample of her song "I Don't Wanna" was played in the 2008 Movie The Haunting of Molly Hartley.