Moon Saga: Mysteries of Yoshitsune I & II is a duology of theatre stage plays written, composed and directed by Japanese recording artist Gackt. The original productions are notable for the first major use of projection mapping in theatre stage plays. The original soundtrack was released on October 1, 2014 and compiles music from the plays. It consists of two music CDs, one for each chapter, the first of which was performed in 2012, while the second was performed in 2014.