Introduction: Sound and Silences: Writing the History of Sound Craft in Hollywood's Studio Era.- 1. Art, Science and Showmanship: The Technical Cultures of Hollywood's Sound Engineers and The Shaping of Film Sound Technologies.- 2. 'Ear Appeal': The 'Story Values' of Sound in the Classical Hollywood Film.- 3. Crafting the Sequence: Sound Work and the Dynamics of Production.- 4. From Gadgeteers to Sound Experts: Defining and Recognising Sound Labour and Expertise.- Conclusion. sakriti opis