'Unlocking Our Sound Heritage' (UOSH) is a UK-wide project that aims to preserve, digitise and provide public access to a large part of the nation's sound heritage. The UOSH project forms part of the core programme 'Save Our Sounds' led by the British Library and involving a consortium of ten regional and national archival institutions. Between 2017 and 2022 the aim is to digitise and make available up to 500,000 rare and unique sounds recordings, not only from the British Library's collection but from across the UK, dating from the birth of recorded sound in the 1880s to the present time. The recordings include sounds such as local dialects and accents, oral histories, previously inaccessible musical performances and plays, and rare wildlife sounds. The consortium will also deliver variou