A filmed record was created by recording three live performances on camera from June 30 to July 1[REF] using a process called Electronovision[REF] and then editing them into a single film.
This film was produced by Horace William Sargent, Jr. (as Bill Sargent - often incorrectly attributed as William Sargent, Jr.), who was also the creator and patent holder of Electronovision, and whose credits include T.A.M.I.