First known recording of computer music, 1951 by The British Library

The Copeland-Long restoration of the earliest known recording of computer music, recorded at Alan Turing's Computing Machine Laboratory in Manchester in 1951. Read Copeland and Long's fascinating blog account of the all-night programming session which led to its creation, and Turing's reaction on hearing it the following morning: http://blogs.bl.uk/sound-and-vision/2016/09/restoring-the-first-recording-of-computer-music.html