The Church of Scientology Choir was founded in 1974 by Marcia Powell, the current director. Over the years they have performed at various events in such places as the Anaheim Convention Center, Palladium, Universal
Amphitheatre, Century Plaza Hotel and Biltmore Hotel. For many years they performed in costume at the Renaissance Fair. In 1993 they performed Bethoveen's 9th Symphony with the Korean Philarmonic and sang with the Pasadena Pops for their July concert at Descanso Gardens.

During the Christmas season, they have performed at the Glendale Galleria, Century City Shopping Center, Beverly Hills Hospital, County General Hospital, Motion Picture Home and at various private parties. They have performed for many years at the Annual Los Angeles County Christmas Program at the Music
Center, which is also televised on PBS. They have also done many concerts at the new Garden Pavilion at Celebrity Center in Hollywood. They appeared on the Neil Diamond Christmas Special which aired 9 times on HBO during the 1992
Christmas season, on NBC in 1993 and is now out as a video.

The Choir did three cuts on the "Hey Santa" album by the Wilson Sisters. They did five cuts on the "Return of the Guardian" album by New Age composer David Arkenstone.

The group is composed of Church members from all walks of life and is made up of mostly amateur singers. The group can number as many as 70.