This is a film made by three members of the Mercury Movie Makers – Alan Sidi, Ken Leckenby and Reg White – which explains in detail how they added soundtracks to films using a sophisticated system designed by Alan Sidi. Sidi also provides the commentary to the film. The men give a demonstration showing the audience how to add sound to the film 'On Every Child's Shoulder.’ The film takes place in Sidi’s personal editing room in his house, Val D’or.
A promotional film produced by Trident Television for Tyne Tees and Yorkshire Television to illustrate the vast consumer markets in the North East and Yorkshire regions and to attract commercial advertisers. The film uses various montages showing industry, housing and retail across both the Yorkshire, Teesside, Durham and Tyne and Wear areas.