About the film
we must have music directs here The Romance of Celluloid is a 1937 short black and white documentary film, narrated by Frank Whitbeck, which goes behind the scenes to look at the manufacture of film and the making of motion pictures. The film was the first of the studio's Romance of Celluloid series which also included:Another Romance of Celluloid (1938) From the Ends of the Earth: Another Romance of Celluloid (1939) Electrical Power: Another Romance of Celluloid (1939) A New Romance of Celluloid: The Miracle of Sound (1940) A New Romance of Celluloid: Hollywood; Style Center of the World (1940) A New Romance of Celluloid: You Can't Fool a Camera (1941) A New Romance of Celluloid: Personalities (1942) A New Romance of Celluloid: We Must Have Music (1942) Twenty Years After: A New Romance of Celluloid (1944)
From the film's Wikipedia article (CC BY-SA 4.0).