The movie captures the responses of 31 authors, musicians, filmmakers and dancers to Olivier Messiaen's monumental organ work "Apparition of the Eternal Church." Listening to the 10-minute piece through headphones, the documentary subjects-most of whom are outsiders to the church and do not know what they're hearing-put Messiaen's project to the test: Is it possible to portray, through time-bound, invisible sound, the spiritual, the architectural, the eternal? The result is a collective interpre...