"Chrysalis Heart" is the third single from Delerium's album Music Box Opera featuring Stef Lang. Remixes were made by Sterojackers vs. Mark Loverush, Ido and Sleepthief. A music video was directed by Jose Ho-Guanipa. with cinematography by Brad Rushing and editing by David Blackburn.In the video, a love triangle is seen through split-screens, where the two girls plan to kill the guy.