‘Slow emergency siren, ongoing’ (LUX, 2022) documents the process of making the 1980s film, ‘Handsworth Songs’, more and differently accessible. It contains translations of the film’s sound into captions and translations of its images into audio descriptions, as well as essays and reflections on the film and its translations. This publication has been designed to fully comply with UKAAF’s MS03 and G003 guidelines. Where possible we have gone beyond the minimum standards. References in the footnotes direct users to these guidelines as well as to those of the international standards offered in the WCAG 2.2 Web Accessibility Guidelines.