National Sound Archive (Nsa)

National Sound Archive (Nsa) A unit in the British Library since 1983, originally (1947) the British Institute of Recorded Sound. The Archive holds over 1 million discs of all kinds, over 185,000 recorded tapes, and CD, DVD, and minidisc recordings. Member companies of the British Phonographic Industry send two copies of about 75 percent of their releases for deposit to NSA. The collections illustrate the development of recorded sound in all formats, and in all categories. There are important…